词语backing ring
解释环形垫,环形垫圈
词性名词
backing ring垫环详细»
backing ring〔名词〕衬圈,支承环详细»
backing ring〔名词〕衬环,垫圈详细»
backing ring〔名词〕衬环,垫圈,垫环详细»
backing ring〔名词〕垫环,衬环,垫圈详细»