您要查找的是不是：
- Edits the selected attachment filtration mask. 编辑所选附件过滤关键字。
- Deletes the selected attachment filtration mask. 删除所选附件过滤关键字。
- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- Water can be purified by filtration through sand. 水通过沙滤可以变清。
- filtration mask [医] 过滤式防毒面具
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
- For a moment his mask of benevolence fell and the real man was revealed. 一刹那间，他慈善的假面扔掉，露出了他的真面目。
- A base, ungenerous wretch who under the mask of friendship has undone me. 有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。
- Do you have a water filtration system? 你有自来水过滤器吗?
- A mask, in the character of an old woman, joined them. 一个戴着假面具扮演老妇的人加入了他们的行列。
- He preserved his mask of solemnity even with acquaintances. 他甚至和熟人交往也保持着一本正经的面孔。
- He conceals his worries behind a mask of nonchalance. 他装作若无其事，藉以掩饰内心的不安。
- Install proper filtration on pump inlet plumbing. 在进口处安装过滤器。
- Water-oil separation and filtration system. 油水分离与过滤系统。
- Filtration of unwanted contents. 过滤不想要的内容。
