名词
中文翻译：正排量泵
同义词：
['positive displacement pump', 'positive displacement grout pump']
例句：
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1. The positive-displacement grout pump is used for the construction of underground tunnels.
正排量注浆泵用于地下隧道的建设。
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2. The positive-displacement grout pump is an essential tool for maintaining the stability of the earth's surface.
正排量注浆泵是维护地球表面稳定性的必备工具。
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3. The positive-displacement grout pump is widely used in civil engineering projects to ensure the safety and efficiency of construction work.
正排量注浆泵在民用工程项目中广泛使用，以确保施工工作的安全和效率。