請輸入中文或英文單字:
piston
英漢短句
piston
活塞
piston ring
活塞環
piston pump
活塞泵
piston vacuum pump
往復真空泵
piston ring seal
脹圈密封
aircraft piston engine
活塞式航空發動機
free - piston gasifier
自由活塞式氣體發生器
free - piston engine
自由活塞式發動機
free - piston compressor
自由活塞壓縮機
tailpiece of the piston rod
活塞杆端
 

Sadness does not inhere in things; it does not reach us from the world and through mere contemplation of the world. It is a product of our own thought. We create it out of whole cloth.

Emile Durkheim
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