罗斯蒙特400电导率探头

ENDURANCE¥⬉󱇐⥛Ӵ󱛳󰰼xx

Ӵ󱛳󰰼󰜡󱷛󱅮ˈ󰝊󰟎󰥖󱯊䆒󱅮󰽑ⱘ⬉󱇐∴󱐌󱭄ˈ󰧃ҹ󱳔󰻻䰤󱑺󰴄󰖱䆕Ҿ󰰼ⱘ⌟䞣㊒󱑺1DŽ󰴮󰳎ⱘ䩯⬉󱵕Ӵ󱛳󰰼ˈ⬉󱇐∴󱐌󱭄󰟚󰟿Ў˖0.01/cmǃ0.1/cmǃ1.0/cmǃ10.0/cm 󰩠 0.85/cm˄4-⬉󱵕˅DŽ䖭ѯӴ󱛳󰰼󰝋󱳝󱵕󰽑ⱘ󱡫㜤㱔󱗻ˈ󱑊Ϩˈ⹂󰖱󰧃䴴ⱘ󱇐⬉⥛Ẕ⌟㊒󱑺DŽxx

󰻮⾡󰧃կ䗝󱢽ⱘ󱅝㺙󱮍󱓣˖󱢻󰜹󱓣/󱦦󰜹󱓣ǃ󰧃󱢑󰦪󱓣ǃ󰤿⫳⊩󰝄󱓣󰩠⌕䗮󱓣DŽ󰧃ҹϢRosemount Analyticalⱘ㒱󰻻󰻮󱭄󱇐⬉⥛󰟚󱵤Ҿ/󰦬䗕󰰼䜡󰧜Փ⫼DŽさ󰟎ⱘӬ⚍󰀃

󱡩䖤󱖿䗳ǃ󱮍󰖓󰀢Rosemount AnalyticalⱘENDURANCE⬉󱇐⥛Ӵ󱛳󰰼ⱘ䆒䅵ˈ⹂󰖱њҾ󰰼󰧃ҹ󱡩䖤󱖿䗳ǃ󱮍󰖓ˈ󱑊Ϩ󱬙䱰⥛ԢDŽӴ󱛳󰰼󰳼󰟎󰥖󱯊ˈ󱏆㒣䆒㕂󰽑㊒⹂ⱘ⬉󱇐∴󱐌󱭄ˈҢ㗠ㅔ󰣪њ󱮹󱐌󱷛󱅮󱎹԰ˈ󰧃ҹϡ󱖙Փ⫼󱷛󱅮⎆ˈ䳊⚍󱷛󱅮󰳼ぎ⇨Ё䖯㸠󰥇󰧃ˈ䞣⿟󱷛󱅮䕧󰜹󰝊Ⳍ󱑨ⱘ⬉󱇐∴󱐌󱭄󰥇󰧃DŽ

䖤㸠󱟤󱴀Ԣ󰀢Ӵ󱛳󰰼䗝⫼ⱘ󱴤󱭭㒣Й㗤⫼ˈ󱑊Ϩˈ󱡫㜤㱔󱗻㛑󰽑ˈҢ㗠󰖱䆕њENDURANCE⬉󱇐⥛Ӵ󱛳󰰼ⱘՓ⫼󱇓󰩑䭓ˈ㓈󱡸󱎹԰䞣󱇣ˈ䖤㸠󱟤󱴀ԢDŽ400ǃ402󰩠404Ӵ󱛳󰰼⬅󱡫󰣪󱄺㜤㱔ⱘ䩯⬉󱵕󰩠PEEK˄㘮䝮䝮䝂˅㒱㓬󱴤󱭭󱵘󱟤ˈ403-11/12/13󰤿⫳⊩󰝄Ӵ󱛳󰰼⬅䩯⬉󱵕󰩠Kel-F2㒱㓬󱴤󱭭󱵘󱟤ˈ401󰩠403-14Ӵ󱛳󰰼⬅⷇󰹼⬉󱵕󰩠⦃⇻󱷥㛖㒱㓬󱴤󱭭󱵘󱟤ˈ󰧢㗙Џ㽕⫼Ѣ催⬉󱇐⥛⒊⎆ⱘẔ⌟䳔∖DŽ

⌟䞣㊒󱑺催󰀢Ӵ󱛳󰰼󰟎󰥖󱯊ˈ󱏆㒣䖛󱷛󱅮ˈҢ㗠󰧃ҹ󰖱䆕Ҿ󰰼ⱘ⌟䞣㊒󱑺DŽ⬅Ѣ󰝊󰴮󰳎㗤⫼ⱘ󰻪󱔶䆒䅵󰩠㡃󰽑ⱘ󱡫㜤㱔󱴤󱭭ˈ⹂󰖱њ⬉󱵕䯈䱨󰩠㸼䴶⿃󱘦󱅮ˈ󰲴ℸˈ⬉󱇐∴󱐌󱭄󰧃ҹ󰳼䕗䭓ⱘ󱯊䯈󰝙ˈ󰖱󱣕〇󱅮DŽ󱇍Ѣ⏽󱑺㸹󰙓ˈPt1000⌟⏽⛁⬉䰏󱰃󱷛󰞚ⱘˈг󰧃ҹ䗝󱢽Pt100󱟪⛁󱬣⬉䰏DŽENDURANCEⱘ䆒䅵⧚󱗉󱰃Փ⬉󱇐⥛Ӵ󱛳󰰼ⱘẔ⌟󰘐󰧃ҹ󱆚󰟛䎳䏾⏽󱑺ⱘ󰦬󰣪ˈҢ㗠Փ⬉󱇐⥛ⱘ⌟䞣㒧󱵰󰧃ҹ䱣󱯊󱕫󰠄㊒⹂ⱘ⏽󱑺㸹󰙓DŽ

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󰻮⾡󱅝㺙󱮍󱓣󰀃󱢻󰜹󱓣/󱦦󰜹󱓣˖400Ӵ󱛳󰰼⬉󱇐∴󱐌󱭄Ў˖0.01/cmǃ0.1/cm󰩠1.0/cmˈ󰝊䗮䖛3/4㣅󱇌MNPTⱘϡ䫜䩶󱥹󰼈ˈϢ䖛⿟䖲󱥹DŽӴ󱛳󰰼󰧃ҹⳈ󱥹󱅝㺙󰳼3/4㣅󱇌ⱘT󱔶ϝ䗮Ϟˈг󰧃ҹ䗝󱢽PN 24091-02㘮⺇䝌䝃ⱘ⌕䗮∴DŽ

󰧃󱢑󰦪󱓣/󱏺⧗䯔˖402󰧃󱢑󰦪󱓣Ӵ󱛳󰰼䗮䖛󱥹󰦷Ў1-1/4㣅󱇌NPTⱘ⧗䯔ˈϢ䖛⿟䖲󱥹ˈ󰝊󱅗䜡󰼫䰘ӊϢ⧗䯔ⱘ󱥹󰦷󱈎󱇌ϔ㟈DŽ

󰤿⫳⊩󰝄󱓣˖403Ӵ󱛳󰰼䗮䖛󱥹󰦷Ў1-1/2㣅󱇌󱟪2㣅󱇌ⱘ󰤿⫳⊩󰝄ˈϢ䖛⿟䖲󱥹ˈ󰝊䗖󰧜ѢTri-Clover3󰤿⫳䖛⿟ⱘ䖲󱥹DŽ

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󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼 PDS 71-400

⌕䗮󱓣/⌕䗮∴˖󱇍Ѣ䙷ѯԢ⌕䗳ǃ䳔󱖿䗳󰪡󱑨ⱘ⌟䞣䳔∖ˈ󰧃Փ⫼404Ӵ󱛳󰰼ˈ䆹Ӵ󱛳󰰼䜡󱳝⌕䗮∴ˈ⌕䗮∴ⱘ󱥹󰦷Ў3/8㣅󱇌󰤵󰼫ǃ3/8㣅󱇌Ậ󱥹󰼈󱥹󰸥󱭭䕃ㅵǃ󱟪1/4㣅󱇌FNPT䖲󱥹DŽ⊼˖

1ˊ⬉󱇐∴󱐌󱭄Ў10.0/cmⱘӴ󱛳󰰼󰩠4⬉󱵕Ӵ󱛳󰰼г󰧃ҹ⫼䞛⫼⷇󰹼⬉󱵕DŽ2ˊKel-F󱰃3M󰝀󰧌ⱘ⊼󰝠󰬚󱷛DŽ3ˊTri-Clover󱰃Jensen󰝀󰧌ⱘ⊼󰝠󰬚󱷛DŽ

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Ӵ󱛳󰰼󱡔󱴃㾘Ḑ󰀃󰀃䇈󱯢⬉󱇐∴󱐌󱭄󱅝㺙󱮍󱓣󱎹԰⏽󱑺400 0.01/cm, 0.1/cm 1.0/cm 󱦦󰜹󱓣˄󱢻󰜹󱓣)0-105ć(32-221qF)*-60: 0-200ć(32-392qF)250psig (1825KPa) 401 10.0/cm 0.85/cm (4⬉󱵕)󱦦󰜹󱓣˄󱢻󰜹󱓣)0-100ć(32-212qF) 0-100ć˄32-212qF˅-11, -12, -13: 0-105ć(32-221qF)-14: 0-100ć(32-212qF)250psig(1825KPa) 402 0.01/cm, 0.1/cm 1.0/cm, 10.0/cm 󰧃󱢑󰦪󱓣403 0.01/cm, 0.1/cm 1.0/cm, 10.0/cm 󰤿⫳⊩󰝄󱓣404 0.01/cm 0.1/cm ⌕䗮󱓣(Ԣ⌕䞣)-16: 0-60ć(32-140qF) -17: 0-100ć(32-212qF) -16: 77qF(25ć)󱯊100psig(791KPa) 140qF(60ć)󱯊20psig(239KPa) -17: 100psig(791KPa)-16:䩯, PEEK, PVC EPDM, 㘮Э⛃-17:䩯, 303 SST PEEK, EPDM 󱳔󰻻󱎹԰󰥟󰡯200psig (1481KPa) 200psig(1481Kpa) 󰜕䆌󱢑󰦪ⱘ󱳔󰻻󱎹԰󰥟󰡯:64psig(542KPa) 󱴤󱭭䩯, 316 SST PEEK󰩠EPDM⷇󰹼, Kynar Epoxy, EPDM -11,-12,-13: 䩯, 316 SST, PEEK EPDM,⷇󰹼,∃ϕ‵㛊-14:⷇󰹼, 316 SST ⦃⇻󱷥㛖EPDM, ∃ϕ‵㛊-11,-12,-13: 䩯,316 SST, Kel-F(󱮄⇳䱚)EPDM 󱠔󱳝FDA䛑䗖⫼-14:⷇󰹼, 316 SST ⦃⇻󱷥㛖, EPDM 󱷛󰞚10㣅󱈎(3.1㉇)*䗝󱢽乍50㣅󱈎(15.2㉇)-20: 1-1/2\"󰤿⫳⊩󰝄-21: 2\"󰤿⫳⊩󰝄⬉㓚䭓󱑺󱷛󰞚10㣅󱈎(3.1㉇)*䗝󱢽乍50㣅󱈎(15.2㉇)󱷛󰞚10㣅󱈎(3.1㉇)*䗝󱢽乍50㣅󱈎(15.2㉇)-14: ¾ \" MNPT -15: 1\" MNPT 󱷛󰞚10㣅󱈎(3.1㉇)*󱓊䭓󱯊㽕䗝-60, -61 󱥹㒓Ⲧ1-1/4\" NPT ⧗䯔 󱷛󰞚10㣅󱈎(3.1㉇)*䗝󱢽乍50㣅󱈎(15.2㉇)3/8\"󰸥󱭭䖛⿟󱥹󰼈¼\"ㅵ䘧󱥹󰼈䖲󱥹ӊ¾\" MNPT 󰀃2

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰩠󰟚󱵤Ҿ㸼ⱘ䗝󰵟󱣛󰤫󰀃󰀃 PDS 71-400

⬉󱇐∴󱐌󱭄1054B LC 1054B R 1054B DC 1054B C 1055 54e C 1181C 2081C 81C/3081C 4081C 5081-C Xmt-C0.01 󱳔催㟇20µS/cm 󱳔催㟇20µS/cm 󱳔催㟇20µS/cm ϡ󱥼㤤䞛⫼󱳔催㟇25µS/cm 󱳔催㟇25µS/cm ϡ󱥼㤤䞛⫼ϡ󱥼㤤䞛⫼󱳔催㟇20µS/cm 󱳔催㟇20µS/cm 󱳔催㟇20µS/cm 󱳔催㟇20µS/cm 0.1 ˉ1.0-200µS/cm 1.0-2,000µS/cm 10-2,000µS/cm 1.0-2,000µS/cm 1.0-2,000µS/cm 10-2,000µS/cm 10-2,000µS/cm 2.0-200µS/cm 2.0-200µS/cm 1.0-500µS/cm 1.0-500µS/cm 1.0 ˉ10-20,000µS/cm 10-20,000µS/cm 10-2,000µS/cm 10-5,000µS/cm 10-10,000µS/cm 20-20,000µS/cm 20-20,000µS/cm 10-10,000µS/cm 10-10,000µS/cm 10-20,000µS/cm 10-20,000µS/cm ⊼󱛣˖ҹϞ㒭󰟎ⱘ⬉󱇐⥛㣗󰳈󱰃󰳼 25ć˄77qF˅󱯊ⱘ󰘐DŽ󰀃󰀃

400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼ⱘ䞡䞣󰩠㺙䖤䞡䞣˄ҹ⺙Ў󰤩ԡⱘ󱭄󰘐ˈ󰝊󱇣󱭄䚼󰟚󱏆䖯ԡ㟇󱭈󱭄䚼󰟚˅󰵟󰧋䞡䞣400 401-14401-15402 403 404-16(PVC) 404-17(SS) 1⺙(0.5󰝀󱭸) 1⺙(0.5󰝀󱭸) 1⺙(0.5󰝀󱭸) 3⺙(1.4󰝀󱭸) 2⺙(0.9󰝀󱭸) 2⺙(0.9󰝀󱭸) 4⺙(1.8󰝀󱭸) 󱏺10㣅󱈎⬉㓚㺙䖤䞡䞣2⺙(0.9󰝀󱭸) 2⺙(0.9󰝀󱭸)2⺙(0.9󰝀󱭸) 4⺙(1.8󰝀󱭸) 3⺙(1.4󰝀󱭸) 3⺙(1.4󰝀󱭸) 5⺙(2.3󰝀󱭸) 󱏺50㣅󱈎⬉㓚䞡䞣4⺙(1.8󰝀󱭸)- 4⺙(1.8󰝀󱭸)5⺙(2.3󰝀󱭸)4⺙(1.8󰝀󱭸)4⺙(1.8󰝀󱭸)6⺙(2.7󰝀󱭸)㺙䖤䞡䞣5⺙(2.3󰝀󱭸) - 5⺙(2.3󰝀󱭸)6⺙(2.7󰝀󱭸) 5⺙(2.3󰝀󱭸)5⺙(2.3󰝀󱭸)7⺙(3.2󰝀󱭸)䞡䞣3⺙(1.4󰝀󱭸) - - 4⺙(1.8󰝀󱭸) - - - 󱏺󱥹㒓Ⲧ㺙䖤䞡䞣4⺙(1.8󰝀󱭸)- - 5⺙(2.3󰝀󱭸)- - - ⊼˖䖲󱥹⬉㓚˄P/N 9200275󱟪P/N 23747˅ⱘ䞡䞣Ў0.6⺙/10㣅󱈎˄0.3󰝀󱭸/3.1㉇˅DŽ󱦦󰜹⏅󱑺ⱘ󱓊䭓˄䗝󰵟ҷⷕ-36˅ˈϡӮ󱬍󰦬䞡䞣󰩠󰦥䖤䞡䞣DŽ

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󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼ENDURANCE ⬉󱇐⥛Ӵ󱛳󰰼400⬉󱇐⥛Ӵ󱛳󰰼 PDS 71-400

400󱦦󰜹󱓣/󱢻󰜹󱓣⬉󱇐⥛Ӵ󱛳󰰼ˈ󰝊⬉󱇐∴󱐌󱭄󱳝˖0.01/cmǃ0.1/cm󰩠1.0/cmϝ⾡䗝󱢽ˈ䆹Ӵ󱛳󰰼䗖󰧜Ѣϟ󰟫󱑨⫼󰴎󰧜˖ⲥ㾚󰞋󰥈∈Ё⒊㾷󰳎ԧⱘ⌧󱑺˄䆹⌧󱑺䱣⏽󱑺ǃ󰥟󰡯ⱘ󰦬󰣪㗠ϡ󰧠˅ǃ⌟䞣䫙♝∈󰩠䫙♝㒭∈Ё⒊㾷󰳎ԧ⠽䋼ⱘ⌧󱑺DŽ400⬉󱇐⥛Ӵ󱛳󰰼г󰧃ҹ⫼󱴹ⲥ㾚󰦡󰧥⏫䗣󱎹󰞉󰩠⾏󱄤Ѹ󱤶䕃󰣪㺙㕂ⱘ󱎹󰞉DŽ401⬉󱇐⥛Ӵ󱛳󰰼401󱦦󰜹󱓣/󱢻󰜹󱓣⬉󱇐⥛Ӵ󱛳󰰼ⱘ⬉󱵕󱴤䋼󱰃⷇󰹼ˈ󰝊䗖󱑨Ѣ催⬉󱇐⥛⒊⎆˄500-200,000PS/cm˅ⱘẔ⌟󱑨⫼ˈ󱳝10/cmϸ⬉󱵕Ӵ󱛳󰰼˄401-14˅󰩠0.85/cm󰲯⬉󱵕Ӵ󱛳󰰼˄401-15˅ϸ⾡䗝󱢽DŽ󰲯⬉󱵕Ӵ󱛳󰰼󰦾㛑Ϣ󰲯⬉󱵕󰟚󱵤ҾSolu Comp䜡󰼫Փ⫼DŽ

402󰧃󱢑󰦪󱓣⬉󱇐⥛Ӵ󱛳󰰼󰽖󱵰402󰧃󱢑󰦪󱓣⬉󱇐⥛Ӵ󱛳󰰼󰤍䜡Ⳍ󱑨ⱘ󱢑󰦪䰘ӊˈ󰟭⫼󱠋󰧃ҹ󰳼ϡ󰘰ѻⱘ󱚙󰞉ϟˈ󱇍Ӵ󱛳󰰼䖯㸠㓈󰗂󱟪󱳈󱤶DŽ402ⱘЏ㽕⡍󱕕󱰃Ӵ󱛳󰰼󱏺ϔḍ䕗䭓ⱘϡ䫜䩶󰼫ㅵˈ󰝊󱦦󰜹⏅󱑺Ң2.34㣅󱇌󰠄5.34㣅󱇌󱳝󰞴⾡䗝󱢽DŽℸ󰻪ˈ󰼫ㅵ󱈒䚼󰧃䗝󱢽ⱘ󱥹㒓ⲦˈՓӴ󱛳󰰼󰳼󱏺󰥟ⱘ󱚙󰞉ϟˈ󰳼󱪡԰Ҏ󰨬䖯㸠󱦦󰜹󱟪󱢑󰦪󱪡԰󱯊ˈ󰖓Ѣ󱇍Ӵ󱛳󰰼䖯㸠󱳈󱤶󰩠㓈󱡸DŽ䆹Ӵ󱛳󰰼󰜕䆌󱢑󰦪ⱘ󱳔󰻻󱎹԰󰥟󰡯Ў64psig˄542KPa˅DŽ

󱳝ϸ⾡ϡ䫜䩶󱢑󰦪䰘ӊ˖PN23765-00 󰩠 PN23765-01ˈ󰠡㗙Ϣ402VP-11/12/13Ӵ󱛳󰰼󰤍䜡ˈ󰧢㗙Ϣ402VP-14Ӵ󱛳󰰼󰤍䜡DŽ䖭ϸ⾡䰘ӊⱘ󰤎󰟿󰳼Ѣ󱅗Ӏ󱆚󱇕䖲󱥹󰰼ⱘ䭓󱑺ϡ󰧠DŽϔ󰼫󱅝㺙䰘ӊ󰣙󱣀˖ϔϾ1-1/4 㣅󱇌ⱘ⧗䯔ǃϔϾ1-1/4㣅󱇌ⱘMNPT󱥹󰼈ǃϔϾ󱏺⷇󰹼󱆚󱇕󰳜ⱘ󱆚󱇕䖲󱥹󰰼󰩠ϔϾ󰳎󱅮Ӵ󱛳󰰼ⱘ󰼍󰝋ˈ󰧢㗙󱇚Ӵ󱛳󰰼󰳎󱅮󰠄㽕∖󱦦󰜹ⱘ⏅󱑺DŽ

403 󰤿⫳⊩󰝄󱓣⬉󱇐⥛Ӵ󱛳󰰼403󰤿⫳⊩󰝄󱓣⬉󱇐⥛Ӵ󱛳󰰼󱰃ϧ䮼Ў󰤏㥃ǃ亳󰪕󰩠佂󱭭㸠Ϯ䆒䅵ⱘѻ󰪕DŽ䆹Ӵ󱛳󰰼䗖⫼ѢTri-Clover󰤿⫳䖛⿟⊩󰝄䖲󱥹ˈ󱑊Ϩˈ󱳝ϸ⾡󰧃կ䗝󱢽ⱘ⊩󰝄㾘Ḑ˄1-1/2\"󰩠2\"˅DŽℸ󰻪ˈ403-11/12/13Ӵ󱛳󰰼䖬䗖⫼Ѣ㪌≑⍜↦󱎹㡎ˈ󰝊󱳔催󱎹԰⏽󱑺Ў˖275qF(135ć˅DŽ

404 ⌕䗮󱓣⬉󱇐⥛Ӵ󱛳󰰼404⌕䗮󱓣⬉󱇐⥛Ӵ󱛳󰰼󱏺ϔϾ⌕䗮∴ˈ䆹⌕䗮∴ⱘ԰⫼󱰃󰳼Ԣ⌕䞣󱚙󰞉ϟˈ⹂󰖱Ӵ󱛳󰰼󰧃ҹ󱖿䗳󰪡󱑨䖛⿟⬉󱇐⥛ⱘ󰦬󰣪ˈ⌕䗮∴󱳝303ϡ䫜䩶󰩠PVCϸ⾡󱴤䋼䗝󱢽DŽ⬅Ѣ404Ӵ󱛳󰰼ⱘ󰻪䚼⬉󱵕󱰃󱅝㺙󰳼⌕䗮∴Ϟⱘˈ󱠔ҹˈҾ󰰼󱷛󱅮󱯊ˈ㽕󱇚Ӵ󱛳󰰼󰩠⌕䗮∴԰ЎϔϾ󱭈ԧ󰤩󰜗󱴹㗗㰥DŽϡ䫜䩶⌕䗮∴󰧃ҹ󱢚󱓔䖯㸠⏙⋫ˈPVC⌕䗮∴󰟭ϡ㛑󱢚󱓔DŽ

4

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰻪󱔶󱈎󱇌󰳒󰀃 PDS 71-400

󰀃

󰀃󰀃

5

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰻪󱔶󱈎󱇌󰳒󰀃 PDS 71-400

󰀃

󰀃

󰀃

6

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰻪󱔶󱈎󱇌󰳒󰀃 PDS 71-400

󰀃

󰀃

󰀃

7

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰻪󱔶󱈎󱇌󰳒󰀃 PDS 71-400

󰀃

󰀍󰀃󱥹㒓Ⲧϡ䗖⫼Ѣ󰀗󰀓󰀔Ӵ󱛳󰰼DŽ󰀃

8

󰵟󰧋˖400 ㋏󰟫⬉󱇐⥛Ӵ󱛳󰰼󰀃

Ӵ󱛳󰰼󰻪󱔶󱈎󱇌󰳒󰀃 PDS 71-400

󰀃

9