活塞上涂了一层石墨以减小摩擦力。The pistons are graphite-coated to reduce friction.咱们用车床车[加工]新的活塞吧.Let's get the lathe to turn the new piston.他们改用活塞发动机.They use a piston engine instead....
At the appraising meeting, experts stated this method was superior to others.鉴定会上, 专家们指出这种方法优于其他方法.It is a process with instituting, actualizing and appraising financial strategy management.企业财务战略管理,就是财务战略制定 、 实施和评价的过程.G...