The astronauts almost perform extravehicular activities with hands , so the joint mobility of the extravehicular activities ( eva ) glove which is the endmost operating device , directly affects the work ability of the astronauts 宇航员的舱外作业主要通过手部来完成,所以作为末端操作环节的舱外航天( eva )手套的灵活性直接影响宇航员的作业能力。
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