... volume activity 体(放射性)活度 volume buret 量管 volume capacity 体积交换容量 ...
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Measuring buret of drop-volume 滴体积测定管
High-quality buret have a venting-mechanism with which they can be very easily refilled with the exact volume for which the buret is calibrated.
高级的滴定管都有一种抽液功能使它们每次在滴定完毕时可以很精确地将滴定液加到精确的刻度。
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