Cranes turn overhead as dump trucks and cement mixers nose onto the road.

吊车在头顶转动，翻斗车与混凝土搅拌机在路上小心谨慎地行使。

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This information will be used to help determine the cement slurry specifications for both the dump bailer and cement packer.

这个信息将用来为倾卸筒和水泥封割器确定泥浆规格。

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For decades Tata Motors has been India's largest commercial vehicle maker--the Tata logo appears on buses, dump trucks, ambulances and cement mixers.

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