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单词 additional pump
例句
原声例句
CRI在线 2022年9月合集

The three astronauts carried out their first spacewalk mission earlier this month, completing tasks such as installing additional pumps and lifting a panoramic camera on the lab module.

三名宇航员在本月早些时候执行了他们的第一次太空行走任务,完成了扩展泵组安装和实验舱全景相机抬升等任务。

中级英语短文

The taikonauts completed a series of tasks, including installing an extravehicular assistance handle to help them open the hatch from outside the space station in an emergency and additional pumps – the core equipment in the space station's thermal control system.

宇航员完成了一系列任务,包括安装一个舱外助力手柄,帮助他们从舱外把气闸舱舱门打开(的情况);并安装舱外载荷扩展泵组,这是空间站热控制系统的核心设备。

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