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爲止。 - 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，然後關閉針形閥“B”，將系統(tǒng)恢複到正常的靜止狀態(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。然後關閉排氣閥。 返回 needle valve