half mask的例句大全

Respiratory protective devices-Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly-Requirements, testing, marking.

呼吸保护装置。与全罩式面罩、半罩式面罩或口罩一起使用的压缩空气导管呼吸装置。要求、试验和标志。

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A loose hooded cloak worn with a half mask as part of a masquerade costume.

和作为舞会服装一部分的半截面罩一起穿戴的、有宽松头巾的斗篷。

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A half mask covered his eyes.

半面具遮住他的双眼.

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Make a toning mask with the other egg, honey, a half-teaspoon olive oil, and a few drops of rose water.

用蛋清，蜂蜜，半茶匙橄榄油，几滴玫瑰水制作面膜。

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Make a toning mask with the other egg, honey, a half-teaspoon olive oil, and a few drops of rose water. Apply, wait 15 minutes, rinse, and pat until the skin is damp.

用蛋白，蜂蜜，半茶匙橄榄油和几滴玫瑰水制作面膜，敷在面部15分钟后清洗，轻轻拍打，直到皮肤湿润。

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Abiological protective respirator with equal protection level of the half face mask

一种达到面具防护水平的生物防护口罩

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Study on sub-half-micron Cr mask fabricating technology

亚半微米铬掩模版制作技术研究

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Fold your black card in half. Draw on the mask; starting with the bat ears, swoop down for the face, and leave a gap for your nose, then draw on the eye hole. Cut out the mask and eye hole and unfold it.

将黑色纸板对折，从上面剪出耳朵开始，取相对应下面的空白为脸部，然后在折线上剪出一个鼻子的空，，再剪出两只眼睛。

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to get the multiple image, i put the camera on a tripod, and used a mask of black cardboard over half of the lense using a filter holder.

为了取得多重象图像，我把摄影机放在三角架上，拿一个黑色硬纸板遮罩遮住镜头的一半（用一个滤光片夹）。

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Half-mask respirator filtering respiratory protective devise for self-rescue from fire

半面罩式呼吸防护器消防过滤式自救呼吸器

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Skeptical that the air on Sunday would be good after what has been a smoggy autumn, Mr. Pope said he had only entered the half-marathon, which was on offer in addition to other, shorter distances.He started out wearing a face mask-a common defense against Beijing's gray air.

由于今年秋天雾霾严重，波普对周日的空气质量表示怀疑，他称自己只参加了半程马拉松赛，除了全程比赛外，选手可以选择距离较短的半程比赛。波普带着口罩——抵御北京雾霾的常用品——开始了比赛。

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