反循環(huán)短節(jié) circulating sub: 環(huán)流閥reverse circulating: 反循環(huán)的easto circulating sub: 伊士托循環(huán)接頭reverse circulating valve: 逆循環(huán)閥reverse-circulating tool: 反循環(huán)工具下載手機詞典可隨時隨地查詞查翻譯