Ink formulations are provided to aid printers in mixing colors.

提供油墨配方以助印刷工作者混调色彩。

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The simultaneous dewatering and mixing is performed with the aid of known dewatering mechanisms. An example of this is the water extracting screw.

通过使用公知的脱水 机械同时进行脱水和混合，所述公知机械的一个例子是螺旋脱水机。

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But the method of mixing anti freeze and pumping aid together into concrete is not advisable, and the scientific technology is using anti freezing pumping aid in concrete.

但采用双掺防冻剂和泵送剂的方法不可取，科学合理的方法是采用防冻泵送剂。

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If free soloing (using only rock shoes, without the protection of a rope) is the purest form of climbing, then aid soloing is the slowest, most cumbersome kind one can imagine, mixing, as it does, terror and tedium.

WSJ: Training for the Big Wall | By Michael J. Ybarra