She holds his arm firmly to keep balance.
她紧紧地抓着他的胳膊来保持平衡。
I put my hand one his arm to regain balance.
我把手放在它的手臂上来重新获得平衡。
Note automatic leak control arm cylinder valve and locked balance valve.
说明内泄出自动臂缸的控制阀及锁死平衡阀。
I put my hand on his arm to regain my balance, and say.
我会“挽着”他的胳膊保持身体平衡，并且说。
This paper proposes a new spring balance structure used for the robot arm.
介绍一种用于机器人手臂平衡的新型弹簧平衡机构的结构设计与分析方法。
Keep your feet together and your arm forward to keep your balance.
落地时双脚并拢，双臂前伸以保持平衡。
Keep your feet together and your arm forward to keep your balance.
落地时双脚并拢，双臂前伸以保持平衡。
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