青年中文crown of piston的意思
crown of piston中文翻譯：
活塞頂
piston───n.活塞；n.(Piston)人名；(英、意)皮斯頓
crown───n.王冠；花冠；王權；頂點；n.(Crown)人名；(英)克朗；vt.加冕；居…之頂；表彰；使圓滿完成
piston recipe───活塞配方
piston bolt───活塞螺栓
piston engine───[機]活塞發動機
piston door───活塞門
piston cup───活塞皮碗，活塞碗
piston pin───活塞銷
piston rod───n.活塞桿
Also the valve heads will be liable to be burnt by the passing hot gases, and there is the likelihood of the piston crown touching an open valve, which can seriously damage the engine.───而且氣門頭部容易被經過的高溫氣體燒蝕，活塞頂部也可能會碰到氣門使發動機嚴重損壞。
If necessary extend the probe of the dial gauge until you can definitely take measurements on the piston crown.───如有必要，延長百分表的探針，直到可以明確測量活塞頂為止。
This paper studies the fracture mechanics of piston crown crack by means of finite element method and photoelastic method.───本文應用有限元法和光彈性試驗對活塞頂的裂紋進行斷裂力學分析。