上口罩

The great thing about using layer masks is that to get it back all I had to do was brush white onto the mask where I wanted to undelete stuff.

伟大的事，有关使用层口罩是为了取回所有我要做的就是刷上白色面具的地方我想删除的东西。

Typical use by dates for filtering facepiece respirators are in the three to five year range for product stored in the conditions specified on the packaging.

在包装上规定的存放条件下，随弃式呼吸防护口罩的有效存放期通常为制造之日起3至5年。

Additionally, the website links listed in the previous question contain the proper procedures for putting on the respirator and checking for fit and seal for 3M filtering facepiece respirators.

此外，在上一个问题的回答中也提供了正确佩戴3M随弃式呼吸防护口罩，检查佩戴气密性方法的网站链接。

The world's first use of masks is China.

世界上最先使用口罩的是中国。

At a time when China's authorities appear to be continually increasing censorship of the Internet, it's remarkable that Han has not been muzzled.

正当中国政府不断提高对互联网的言论审查，韩寒并没有因此而戴上封闭言论的&口罩&，但是对于没有任何特殊原因的反叛言论还是禁止的。

Toward the end of the afternoon, when the presence of foreigners in the village drew the attention of local officials, the vaccination team donned white smocks for the first time, but continued to handle the birds bare-handed and without masks.

直到晚上这些外来的工作人员引起了当地官员的注意，防疫队员才第一次穿上白大褂，但仍然光着手且不带口罩接触家禽。

Later, someone came up with the belt line in our ears, which has become a frequently used today masks.

后来又有人想出了用带子系在耳上，这就成了今天人们经常使用的口罩。

While all addresses and control inputs are latched on the rising edges of the clock, Data, Data strobes and Write data masks inputs are sampled on both rising and falling edges of it.

虽然所有的地址和控制输入上的时钟，数据，数据和写入数据频闪灯口罩的上升沿锁存输入被采样的上升沿和下降沿它。

Undeterred, they pondered who might need to keep something clean for a shorter time before reapplying it and decided to use the product in miners' masks.

他们并未气馁，苦苦思索哪里可能需要在重新使用前较短的时间内保持清洁--最后决定把这种产品用在矿工口罩上。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。