这种多用途的装置被用作混合和抽取纯水泥、膨润土、轻砂浆和大部分商用预混合非收缩灌浆混合物。

This versatile unit is designed to mix and pump neat cement, bentonites, lightly sanded grouts and most commercial pre-blended non-shrink grout mixes.

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目前还不知道是否中国工程师已经选择了一个氧或为预燃煤油丰富的混合物。

It is not known whether the Chinese engineers have chosen an oxygen - or kerosene-rich mixture for the pre-combustion.

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以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。

A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).

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