正确答案: C
<0.1
题目:大型低速柴油机铸铁气缸套的正常磨损率应()mm/kh。
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学习资料的答案和解析:
[单选题]为了防止液压拉伸器密封环的损坏,在()设计了特殊的泄油孔,当活塞的升程超过了其“最大升程”时,液压油会迅速从泄油孔泄放。
活塞的底部
[单选题]水润滑艉轴铜套过度磨损可()修复。
光车
[单选题]铁梨木艉轴承和层压胶木艉轴承的极限间隙可近似等于()倍的安装间隙。
4
[单选题]A variable pitch propeller is made () a boss with separate blades mounted into it.
up of
[单选题]In a central cooling system, used in some modem ships, sea water is supplied to cool ()which will circulate to other individual cooler, greatly reducing the corrosion problems.
lower temperature fresh water