noseclip

常見例句

• Using both hands, mould noseclip to the shape of the lower part of the nose, do not pinch the nosepiece using only one hand as this may result in less effective respirator performance.
  用兩只手，調(diào)整鼻梁夾的形狀。不要只用一只手去捏鼻梁夾，這樣可能會導(dǎo)致呼吸器效力減輕。
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