词语支承环
解释back up rinbg
back up rinbg〔名词〕支承环,保护圈,垫圈详细»
back up rinbg〔名词〕支承环,保护圈详细»
支承环back up rinbg详细»
支承环supporting ring详细»
支承环support ring详细»
支承环bearing ring;step ring;sustained ring详细»
支承环backup ring;bearing ring详细»