也可以稱為N95-certified masks,或masks rated N95。
95型口罩,是NIOSH(National Institute for Occupational Safety and Health,美國國家職業(yè)安全衛(wèi)生研究所)認(rèn)證的9種防顆粒物口罩中的一種。
A mask rated N95 filters out more than 95% of particles larger than 0.3 microns.
達(dá)到N95等級的口罩可以濾除超過95%的直徑大于0.3微米的顆粒物。
N99的意思就是可以濾除99%的直徑大于0.3微米的顆粒物。
耳戴式口罩 earloop mask
頭戴式口罩 headband mask
耳帶、頭帶 strap
可調(diào)節(jié)長短的耳/頭帶是adjustable strap。
例句:
Straps can go either around the head or just the ears, depending on the model.
依據(jù)口罩型號的不同,帶子可以掛在耳朵上,也可以箍在頭上。
折疊式 foldable
例句:
One of the great advantage for this model is to be foldable, so that you can always take one with you without it taking much space.
這個(gè)型號的口罩最大優(yōu)點(diǎn)是可以折疊,有利于隨身攜帶,而不占用太大空間。
可清洗 washable
例句:
The mask is washable many times with no loss of filtration effectiveness.
這款口罩可以多次清洗,且不會(huì)損失過濾效果。
濾芯 filters
可更換濾芯是replaceable filter。
例句:
The replaceable filter is a bit difficult to switch out, but it’s not a serious problem.
可更換濾芯換起來有些困難,不過問題不大。
隨棄式 disposable
例句:
Check out a variety of disposable respirators that help provide protection from particles, germs & gases.
快來看看各種款式的隨棄式防護(hù)口罩,它們可以抵抗顆粒物、細(xì)菌和毒氣。
一次性的 one-time-use
例句:
Do one-time-use masks actually help to protect you?
一次性口罩真的能起防護(hù)作用嗎?
可調(diào)節(jié)金屬鼻夾 metal nose clip
這個(gè)表述比較靈活,還可以說成metal nose bar、metal nose band、metal nose bridge等。
例句:
This mask has a metal nose clip with soft foam nose cushion for an easy and comfortable fit.
這款口罩帶有金屬鼻夾和柔軟海綿墊,很容易貼合且很舒適。
呼吸閥
exhaust valve / exhalation valve
例句:
This model comes with an exhaust valve, which offers improved comfort, especially for those having difficulty to breath comfortably while wearing the masks.
這個(gè)型號的口罩帶有呼吸閥,佩戴起來更舒適,對于那些戴著口罩呼吸不暢的人來說尤其如此。