常見(jiàn)例句

雙語(yǔ)例句

• Many applications require gate, globe and stop-check valves to use gearing to reduce the hand wheel rimpull and thus allow one man to manually seat or unseat the valve.
  許多實(shí)際應(yīng)用要求閘閥、截止閥和截止止回閥采用齒輪裝置來(lái)降低手輪的邊緣拉力，使得靠一個(gè)人的力量就可以啟閉閥門(mén)。
返回 globe stop check valve