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在乳胶套顶端剪下一些,并往下拉,使得乳胶套的开口处包裹紧密。
Cut just a little off the top of the seal and pull down so that the opening has a tight fit.
youdao
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在乳胶套顶端剪下一些,并往下拉,使得乳胶套的开口处包裹紧密。
Cut just a little off the top of the seal and pull down so that the opening has a tight fit.
youdao