您要查找的是不是：
- disposable dust respirators 简易防尘口罩
- General technical requirements for self-inhalation filtertype dust respirator. 自吸过滤式防尘口罩通用技术条件.
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Are there disposable respirators that are cleared by FDA? 是否有经过FDA批准的随弃式呼吸防护口罩？
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- Q30：Do 3M disposable respirators contain natural rubber latex? 问30：3M随弃式呼吸防护口罩是否含有天然橡胶？
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- How many enemies bit the dust in the battle? 在这次战斗中打死了多少敌人？
- The city lay in the dust after the battle. 战斗结束后，全城成为废墟。
- It's more hygienic to use disposable paper tissues. 使用一次性餐巾纸更为卫生。
- The dust on the shelf show up in the sunlight. 在阳光照射下能看见架子上有灰尘。
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Dust thou art, and unto dust shalt thou return. 你本是尘土就该归於尘土。
- My briefcase was beginning to gather dust. 我的手提箱不怎么使用了。
- The relic, when exposed to air, turned to dust. 这件文物，接触空气之后，变成了粉末。
- Disposable diapers; disposable razors. 免洗尿布; 一次性剃刀
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- Another of my great ideas bites the dust! 我的一个好主意又碰壁了。
