词汇	公务电报
释义	公务电报医service telegram
随便看	piston cooling piston cooling device piston cooling gallery piston cooling gland piston cooling nozzle piston cooling oil flow Piston cooling oil inlet low pressure slow-down Piston cooling oil outlet low flow alarm Piston cooling oil outlet low flow slow-down piston cooling oil pump piston cooling pipe piston cooling pump piston-cooling pump piston cooling water pump piston copressor piston corer piston-corer piston core sampler piston cottar piston cotter piston count Piston-Crankshaft System piston crater piston crosshead pin piston crown