PC board modify fluid is a kind of colorless lit liquid, ph neutral, non-toxic, but has an impact type smell.

pc板修改液是一种无色通明的液体，酸碱中性，无毒，但有影响型的气味。

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The green sand mold with even density and proof of the impact of liquid metal is one of the critical factors in the production of quality casting.

紧实度均匀、能抵抗金属液体冲击的合格砂型是保证铸件质量的关键因素之一。

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Screw compressor rotor tooth surface actually gaps between, and ability, can be pressed send impact liquid containing liquid gas, including dust, easy polymerization gas, etc.

螺杆压缩机的转子齿面间实际上留有间隙，因而能耐液体冲击，可压送含液气体、含粉尘、易聚合气体等。

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"This impact scenario provides the three ingredients believed necessary for life: liquid water, organic material and energy, " she added.

BBC: Comets could have seeded life on Earth