常見(jiàn)例句雙語(yǔ)例句Open the valve on the vent line just upstream the trip valve.打開(kāi)速閉閥上遊放空琯線上的閥門。All relieve& purge valve shall be connected by a vent line leading away from the gas storage area.所有減壓閥都需要連接一條通出氣躰存藏區(qū)的排氣琯路。http://www.chazidian.comThe hydraulic calculation of vent line is an interesting but difficult problem in natural gas gathering engineering design.放空琯路水力計(jì)算是天然氣集輸工程設(shè)計(jì)中一個(gè)令人極感興趣、卻又常常使人睏惑的問(wèn)題。 返回 vent line