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【单选题】
对钢材进行冷加工的目的是为了( )。A.
提高强度
B.
提高塑性
C.
提高硬度
D.
降低脆性
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皮皮学刷刷变学霸
举一反三
【单选题】What is the difference between net tonnage and gross tonnage ________．
A.
Net tonnage is the gross tonnage less certain deductions for machinery and other areas
B.
Net tonnage is tonnage of cargo compared to tonnage of whole ship
C.
Net tonnage is the net weight of the ship
D.
There is no difference
【单选题】Which space cannot be deducted from gross tonnage when calculating net tonnage ________．
A.
Crew messroom
B.
Forepeak ballast tank
C.
Master's cabin
D.
Chain locker
【简答题】S1:What is your gross tonnage and net tonnage?S2:My gross tonnage is 12500.My net tonnage is 9000.Q:Which of the following statements is True?A. The ship's gross tonnage is 9000. B. The ship's deadwei...
【简答题】gross tonnage
【简答题】完成反应方程式： (1)镧、铈、镨、铽草酸盐的高温分解。 (2)Ce(OH)3放置在潮湿空气中。
【单选题】The Tonnage Certificate gives ______ of a vessel which is classified into gross tonnage and net tonnage．
A.
the descriptions
B.
the measurements
C.
the specifications
D.
the prescriptions
【单选题】Which space（s）is（are）deducted from gross tonnage to derive net tonnage ________．
A.
Galley fitted with range or oven
B.
Open structures
C.
Passenger spaces
D.
Boatswain's stores
【单选题】Which space（s）is（are）deducted from gross tonnage to derive net tonnage ________．
A.
Boatswain's stores
B.
Companions and booby hatches
C.
Passenger spaces
D.
All of the above
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