foot valve的用法和樣例:
例句
- He put his great foot on the flowerbed.
他的大腳踩在花壇上。
- She often has a foot in both camps.
她經常腳踩兩隻船。
- Foot valves are normally installed in an open tank or sump on the suction side of a pump.
通常底閥是安裝在一個開口罐里,或泵的吸入一側的液體坑裡。
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