plunger valve的用法和樣例：
例句
- Electrical pulses pass through the injector winding, and set up a magnetic field that draws the plunger and valve away from the nozzle seat.
脈沖很快，電脈沖通過注油器纏繞，并建立了一個磁場，吸引著柱塞閥原理噴油嘴座。 - Then as the plug valve is lifted off its seats, any accumulation below the plug or on the seats will be blown back into the line.
然后，當旋塞閥升離閥座時，任何累積在閥塞或閥座上的吹入物質都將被吹回到管路內。
上面文章獨有創做，受著作權保護好，侵犯肖像權必究
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