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【单选题】
在配载时,按舱容比例分配货物重量的主要目的时保证船舶( )A.
满舱满载
B.
适度的稳性
C.
总纵强度
D.
局部强度
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举一反三
【简答题】The term is used to describe both the process and the product when molten metal is poured and solidified in a mold.
【单选题】锅炉炉膛爆炸事故分为正压爆炸、负压爆炸。发生正压爆炸的主要原因是______。
A.
炉膛烟气侧压力突然升高
B.
炉膛烟气侧压力急降
C.
锅炉严重缺水
D.
锅炉水质不符合要求
【单选题】The term is used to describe both the process and the product when molten metal is poured and solidified in a mold.
A.
cutting
B.
welding
C.
casting
D.
turning
【单选题】UK GDP would exclude which of the following?
A.
Lawyer services purchased by a home buyer
B.
The purchase of a new Nissan produced in Sunderland.
C.
Copper purchased by tap manufacturer Bristan
D.
Lawn care services purchased by a home owner
【单选题】The term is used to describe joints with surface contact, as with a pin surrounded by a hole.
A.
high pair
B.
low pair
C.
surface pair
D.
rotary pair
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