英语词汇“keystone type piston ring”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	keystone type piston ring
释义	keystone type piston ring 梯形活塞环
随便看	wing pressure wing pressure coefficient wing profile wing profile fairing wing profile theory wing pterygium wing pump wing-pump wing nut wing-nut wingnuts wing nuts wing-nuts wingo Wingo wing of central lobule wing of ilium wing-pylon adapter wing quill wing quills Wingqvist wing of nose Wing of Polite Letters wing of sphenoid bone wing of the curve