相关考题
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单项选择题
边长为100mm的立方体普通混凝土试块,其标准立方体抗压强度换算系数为()
A.1.05
B.1.0
C.0.98
D.0.95 -
单项选择题
Fuel oil tank vents are fitted with a screen which will stop().
A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent -
填空题
在农电生产系统中,提交线路检修记录后,进入的是线路检修记录()环节。
