工字钢单重00000000000000020a20b22a22b25a25b28a28b32a32b32c36a36b36c40a40b40c45a45b45c50a50b自动生成工程量计算式1011.2001214.20012.614.2001416.9001620.5001824.10027.90031.10033.00036.50038.10042.00043.50047.90052.70057.70062.70060.00065.60071.30067.60073.80080.10080.40087.40094.50093.600101.000取计算式50c56a56b56c63a109.000106.000115.000124.000122.00063b131.000结构总重量总计1.746吨
63c141.000＝10mm的2㎡×78.5kg／㎡＝157kg 角钢∠25*4mm的30米×1.46kg／米＝43.8kg 角钢∠30*3mm的2000
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