間歇振蕩器blockingrelay: 閉鎖繼電器blockingofengagementoffetalhead: 胎頭銜接受阻blockingvoltage: 閉塞電壓blockinglever: 閉塞桿blocking混合交換系統(tǒng): blocking system下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯