beaker valve
常见例句
- Before exchanging the outlet ball valve you can try to clean it in a sonic bath for five to ten minutes. Place the valve in an upright position in a small beaker with alcohol.
在更換出口球閥之前，可超聲清洗五至十分鍾。將球閥垂直放入有乙醇的小燒盃內。
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