Mastering concrete performance variety, controlling unit water consumption, designing and checking the concrete match ratio strictly, and performing efficient administration are important.

掌握混凝土材料性能的变化，实施对混凝土单位用水量的有效控制和对混凝土配合比进行严格设计、检验并进行有效科学管理。

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He had contemplated a good part of the performance before he contributed his bit of variety to it.

在他为这个场景增添一些变化之前，他已经仔细考虑了好长一段。

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In the meantime, she is due to appear at this year's Royal Variety Performance on 5 December.

BBC: Kylie to spin around Britain

The car carried royal protection officers accompanying the couple as they were chauffeured to a Royal Variety Performance.

BBC: Charlie Gilmour

The ADR screener lets you scan by country or sector and look at performance over a variety of time periods.

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