单选题
发布日期:2021-03-22
prevent excessive cylinder liner wear
reduce friction losses in the engine
seal the space between the piston and the liner
limit upward flow of lube oil into the combustion space
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高血压合并脑血管功能不全禁用( )。
下列属于利率敏感性缺口模型缺陷的有( )。
对股权投资基金管理人的重要激励措施是( )。
以生物技术、电子信息技术和新材料为支柱,以现代高新技术为核心的农业发展形式属于( )
在大站和驼峰场岔群处以及难以了望处作业,须()。
五脏中,被称为“阴中之阳”的是( )。
方差分析的目的是检验()。
简述运转机泵正常检查内容。
社会保险基金通过再投资实现收支平衡。
归属于火的有()
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