五金手册共11篇

焊接钢管重量计算-造价人小站

焊接钢管重量计算

var data = [ [ 'DN15', 1.335, '4.5', '=round(B1*C1,3)' ], [ 'DN20', 1.739, '4.5', '=round(B2*C2,3)' ], [ 'DN25', 2.503, '4.5', '=round(B3*C3,3)' ], [ 'DN32', 3.479, '4.5', '=round(...
2年前
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