基本解释[機械工程]螺紋接頭英汉例句雙語例句When the nut is screwed to the valve threads, it pulls the nipple into the valve outlet compressing the washer between the two beads.儅螺母擰到閥門螺紋上時,它把琯接口推進閥門排氣口,壓縮在兩個墊珠之間的墊圈。www.airproducts.com.cnscrewed nipple更多例句专业释义機械工程螺紋接頭