名词
中文翻译：手动泵送同义词
同义词：
['manual operation', 'manual control', 'manual handling']
例句：
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1. Manual pumping is essential for maintaining the integrity of pipelines during maintenance.
在维护过程中，手动泵送对于保持管道完整性至关重要。
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2. The manual pumping system was designed to handle heavy loads efficiently.
手动泵送系统被设计用来高效地处理重负载。
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3. During construction, workers often use manual pumping to remove debris fromthe site.
在施工期间，工人们经常使用手动泵来清理现场的杂物。