... beaker tongs 烧杯夹,烧杯钳 beaker valve 杯状整流管 bunsen beaker 烧杯 ...
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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.
在更换出口球阀之前，可超声清洗五至十分钟。将球阀垂直放入有乙醇的小烧杯内。
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