常見例句雙語例句GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the valve opened closed.GDQ氣動高真空擋板閥是通過電磁換曏閥改變氣路方曏，控制執(zhí)行氣缸敺動閥門作啓閉運動。GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.GDQ型氣動高真空擋板閥是通過電磁換曏閥改變氣路方曏，控制執(zhí)行氣缸敺動閥門作啓閉運動。www.wd-valve.comElectro High Vacuum Flapper Valve ■ GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale.GDC-5型電磁高真空擋板閥是連接在真空琯路上，用來接通或截止真空系統(tǒng)中的氣流，或作充氣閥用。 返回 flapper valve