词语ring seal
解释环形密封
词性名词
ring seal〔名词〕环封详细»
ring seal环封详细»
ring seal〔名词〕环形封闭详细»
ring seal〔名词〕环的封闭详细»
ring seal〔名词〕环封闭详细»
环形密封circumferential sealing详细»
环形密封ring seal详细»