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正确答案:
A
Ⅱ+Ⅲ
题目:赛龙艉轴承材料的缺点是()。Ⅰ.弹性低;Ⅱ.导热性差;Ⅲ.不耐高温;Ⅳ.不耐磨;Ⅴ.寿命低。
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[单选题]The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no () is found in the water outlet.
oil
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烟灰具有粘性,这是烟灰发生沉积的重要因素,关于烟灰粘性的预防
在船上吊缸检查活塞组件时,不必检测()。
() are generally formed in the frame of the both in-line a
()是用来处理船上污油水、油泥、生活污水及各种垃圾的设备。
二冲程直流扫气式柴油机吊缸时不检查()。
采用压铅法测量主轴承的轴承间隙时,不应(),以免破坏测量工作
舵系中心线与轴系中心线应该()。
已知6300ZC型船用柴油机气缸套最大内径增量为1.2mm,则最大缸径
A common trouble with the fuel pump plunger or fuel valve sp
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Measure () by means of lead wire.
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It is well known that good lubrication will () the bearing
Keep compartment () as the gas given off can be dangerous.
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Low compression results from ().
Lubricating oil for an engine is stored at the bottom of the
It is necessary to remove () from the cooling spaces.
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