船舶动力装置试题-第94页-百科知识题库-简明问答题库

当前位置：百科知识 > 船舶动力装置试题

分类：

旅游历史科学天文体育文学音乐文化法律常识政治地理影视化学生活自然军事其他

[单选]Themainbearingshellsoftenhaveathin（）ofleadorindiumtoprovidealayergivingprotectionagainstcorrosion．

[单选]Themainbearingshellsaremadeofsteelwithaliningofbearingmetalwhichmaybewhitemetal，copper-leadoraluminum-tinalloyWhatisthemeaningof“which”inthesentenceabove？

[单选]Themainbearingmetalisalining（）．

[单选]Themachinehasstoppedrotatingbecausethebearing（）theshaft．

[单选]Thelubricatingsystemforthecylinderwallsisdifferentfromthebearingsinthattheoilforformeroneissuppliedin（）whilethatforlatteroneis（）．

[单选]Thelubricatingpipesanddustsshouldbeblownoutwith（）．

[单选]Thelubricatingoilispumpedfromthedraintank，veryoftenwith（）inthesuctionline．

[单选]Thelowestringofapistonis（）．

[单选]Thelowerendofeachpistonrodisreducedindiametertofitaborein（）．

[单选]Thelossof（）fromanaircompressorcouldleadtoanoverheatedairdischargeandpossiblyanexplosioninthepipelinesleadingtotheairreservoir．

<<<92 939495 96 > >>

随机题库