英语词汇ring expander怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ring expander
释义	ring expander 简明释义扩环器网络释义 1 ?扩环器 ... 环形扩压器 ring diffuser 扩环器 ring expander 环状填隙料 ring filler ... 2 ?环头螺栓 ... 轮圈，外圈 ring 环头螺栓 ring expander 活塞环扩张器 ring gear ... 短语 1 ring expander tool 环扩张器工具 2 ring expander guide 环扩张器导管 3 piston ring expander 活塞环端隙双语例句 1 At installation, insufficient compression of the sealing pad behind the carbon ring seal of the expander results in oil entrance to expander body and to the corresponding pipeline. 由于膨胀机碳环密封后面的密封垫片在安装时未被充分压紧，使膨胀机机体及相应管道进油。
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