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- We use dust free pine wood shavings in our inside chambers. 我们使用防尘松树刨花在我们的棚屋中。
- Film should be kept clean, dust free, and handled only by the edges. 胶片应保持清洁，没有灰尘，用手只能拿胶片的边部。
- Asbestos cloth dust free with metal(copper wire, inconel wire) are available. 夹铜丝（或镍丝）石棉布也可提供。
- FFS is dust free (now days a serious consideration when packing fine, powders) and very compact. 农民田间学校是无尘（现天时认真考虑包装罚款，粉末）和非常紧凑。
- The whole technological process all realize low temperature, photophobic, asepsis, dust free, even the fresh melon is carried out a factory treatment process. 整体工艺流程全部实现了低温、避光、无菌、无尘，就连鲜瓜的处理工序都实行了工厂化。
- Subject the specimens to the number of test cycles, usually 1000, under the set load, usually 1kg.Reweigh the dust free panels and resurface the abrading wheels. 设定样品检测的转数，通常为1000转，负荷为1公斤，重新称量无尘样板及处理磨耗轮表面。
- Dust yourself down you're covered in chalk. 把你自己身上掸掸--上面都是粉笔末。
- If used in combination with strong vacuum cleaner like the JANVAC,grinding or sanding can be done in one dust free process with vacuum so that hardly any dust will be left. 连接高效率的吸尘器;比如JANVAC吸尘器;在打磨过程中同时吸除粉真正做无尘打磨.
- Carry out surface preparation by Grinder and dust free self-enclosed portable grinder until to remove surface laitance and provide sound and textured surface. 使用地坪打磨机和无尘封闭手提磨机去除表面粗糙物，并提供涂装对表面所要求的粗糙度。
- Building Decoration: Decorating plate, acoustic board, partition panel, roof insulating panel, water resistant kitchenware, bathing necessity, commercial decorative frame, damp proofing wall of dust free room, and flame retardant/fire-proof sash frame. 建筑装潢：装饰板、隔音板、隔墙板、屋顶隔热板、耐水厨具、浴具、商用装饰架、无尘室防潮墙壁、防火和阻火窗架。
- Dust free? 防尘的?
- The teacher beat chalk dust from erasers. 老师掸掉黑板擦上的粉笔灰。
- Dust yourself down, you are covered in chalk. 掸掉你身上的灰尘，满身都是粉笔面。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Dust yourself down. You are covered in chalk. 把你身上掸掸,上面都是粉笔末。
- Moduflex Dust Free Loading Spout 无尘伸缩下料头
- Dust yourself down, you're covered in chalk. 把你自己身上掸掸，上面都是粉笔末.
- 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。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
