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....
We should try to diminish the cost of production.我们应尽力减少生产成本.Stressed plants diminish osmotic potential by accumulating free amino acids, ions and dissolvable substances.被盐胁迫的植物因自由氨基酸 、 离子和可溶性物质的积累造成渗透压减弱.Hot melt edge -...