正确答案: A
Ⅱ
题目:航行中,柴油机曲轴发生断裂事故,条件许可时可采用()应急措施进行修理。Ⅰ.金属扣合工艺;Ⅱ.焊接;Ⅲ.局部更新;Ⅳ.铆接;Ⅴ.粘接。
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学习资料的答案和解析:
[单选题]油润滑艉轴承的优点是()和(),在有效地解决艉轴承密封后被广泛应用。
油膜承载大/油润滑性好
[单选题]Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible ().
tolerance
[单选题]The quantity of oil injected into the cylinder can be regulated ().
by turning the pump plunger