测试管 meaning in English

bleeder

Rapid determination of magnesium in water with determination tube
测试管法快速测定水中的镁
Rapid determination of phosphate in water with determination tube
测试管法快速测定水中的磷酸盐
Fast checking out the phosphate from water with the method of testing tube on the scene
测试管法现场快速测定水中磷酸盐
Put out of hole test string
取出测试管串
Numerical analysis of oil testing pipe shock absorber system under different structural parameters
不同结构参数的石油测试管柱减振系统的数值模拟

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