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【判断题】
在土木建筑工程中,计算材料用量、构件的自重,配料计算以及确定堆放空间时经常要用到材料的密度、密度和堆积密度等数据。A.
正确
B.
错误
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A.
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B.
0.143 mm×0.143mm
C.
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D.
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A.
clearness
B.
conciseness
C.
correctness
D.
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A.
saving money
B.
increase reliability
C.
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D.
making the environment cleaner
E.
creating more jobs
F.
capitalizing on new technolgygies
G.
providing more services for customers
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