... finite linewidth 有限线宽度 fine pumping 高真空抽气 fine structure 精细细构 ...
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... 细油石 fine particle 小螺距 fine pumping 高真空抽气 fine structure ...
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fine pumping
好抽
以上为机器翻译结果，长、整句建议使用 人工翻译 。
However, in the conventional vacuum pumping tests, fine particles did not lost and there was clogging without arching structure layer.
而常规真空抽水方法中不存在细颗粒流失，没有形成拱架结构，造成了淤堵。
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Specially formulated lubricants are used in fracking, which involves pumping water, fine sand and fracking fluids underground to split open oil- and gas-bearing rocks.
NPR: Judge Sides With Wyoming In Fracking Chemical Suit
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