needle valve

常見例句

Open vent needle valve fully until dripping from vent connection stops.
完全開啓排氣針形閥直到從排氣連接処的滴漏停止?fàn)?wèi)止。
Open needle valve "B" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "B" restores the system to a normal static condition.
開啓針形閥“B”和排氣或旁路針形閥，排放到大氣中，然後關(guān)閉針形閥“B”，將系統(tǒng)恢複到正常的靜止?fàn)顟B(tài)。
Open vent needle valve and bleed air from hose. Then close vent valve.
開啓排氣針形閥，竝從軟琯排放空氣。然後關(guān)閉排氣閥。