题目内容

Aninternalbypassisprovidedonsomehydraulicsystemsuctionstrainerstohelpreducethepossibilityof().

A. aerationoftheoil
B. contaminationoftheoil
C. pumpcavitation
D. spongyactuatormovements

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中小企业实行动态管理,全部新模式中小企业换手客户的余额比率原则上不低于1.5%,客户比率原则上不低于()%。

A. 2
B. 3
C. 4
D. 5

()是平台上最主要的救生设施。

A. 救生艇
B. 救生筏
C. 救生衣
D. 救生船

Thestartingcurrentofana-cmotoris()theratedcurrent.

A. thesameas
B. muchlargerthan
C. lessthan
D. equals

Incharter-party,aclausestates:thevesseltobeemployedbetweengoodandsafeportsorplaceswhereshecan().

A. safeliealwaysfloat
B. safelyliealwaysfloat
C. safeliealwaysafloat
D. safelyliealwaysafloat

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