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Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.
辅助杆位于推板的两侧确保管材的前进方向。
youdao
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The pipe is too narrow, I can't push my arm through.
这管子太窄了，我的胳膊伸不过去。
youdao
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The pipe is too narrow, I can't push my arm through.
这管子太窄了，我的胳膊伸不过去。
youdao