正在搭设的高支模区域,下部200mm厚楼板当强度达到100%时支撑体系可以拆除。
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在补偿装置中,由补偿回头()至()或()的距离称为()。
扶手带入口与地板之间的距离应不小于0.1m,但不大于()
A. 0.15m
B. 0.2m
C. 0.25m
D. 0.3m
A port is()if the delay in leaving it would be such as to frustrate the adventure.
A. not good
B. unsafe
C. safe
D. obtainable