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【判断题】
当所求极限呈现 时,能直接使用极限法则。A.
正确
B.
错误
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举一反三
【单选题】Joiner bulkheads on a vessel provide ______.
A.
compartmentalization
B.
watertight integrity
C.
structural support
D.
tank boundaries
【单选题】How are riveted lap joints made watertight（）.
A.
The faying surfaces are coated with white lead（or similar product）before the rivets are set
B.
A sealing weld bead of 1/8 or less pitch is run along the plate edge
C.
The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate
D.
A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets
【单选题】Concrete is a durable, watertight, and incombustible material that is, moreover, inexpensive to make.
A.
in addition
B.
more or less
C.
however
D.
consequently
【单选题】Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit's ______.
A.
tank capacities
B.
stability in the event of damage
C.
towing speed
D.
anchor holding ratio
【单选题】采用普通砌筑砂浆砌筑吸水率较小的轻骨料混凝土小型空心砌块，采取（ ）。
A.
砌筑前不对其浇水湿润
B.
砌筑前1d～2d浇水湿润
C.
砌筑当天喷水湿润
D.
砌筑前2d～3d浇水湿润
【简答题】在砌筑轻骨料混凝土小型空心砌块和蒸压加气混凝土砌块砌体填充墙时，对砌块产品的龄期及含水率有何要求?砌筑前对砌块砌筑面有何处理要求?
【简答题】根据混凝土小型空心砌块砌体工程的一般规定，浇筑芯柱混凝土前，应先注人适量与芯柱混凝土成分相同的去石砂浆。( )
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