英语词典
Specification for selection, inspection and acceptance of bottom sampler for vertical steel light oil tanks in petrochemical industry
石油化工钢制立式轻质油罐罐下采样器选用、检验及验收
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To use, slowly lower the sampler to the bottom of the tank – the valve opens and the liquid fills the tube.
使用的时候打开阀门,接触样品,液体样品即可流进管内。
The sand bailer is also used as a bottom hole sampler.
捞砂筒也可用作业井底取样器。
A sharp steel cutting blade is attached at the bottom of the sampler.
在取样器的底部附有一锋利的钢削片.
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