您要查找的是不是：
- Knowledge in waterproof, dust proof and sealing. 具有防水、防尘和密封方面的知识。
- The lamp adopts curve sealed structure,with performances of strong waterproof and dust proof. 灯具采用曲路式密封结构，具有较强的防水、防尘性能。
- Abstract： The design and application situation about HZ ty pe dust proof airtight cover is introduced. 摘 要： 简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况。
- The design and application situation about HZ ty pe dust proof airtight cover is introduced. 简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况。
- Our products have supreme properties, windproof, dust proof, waterproof, proof-electrostatic, combustion-proof, against-ultraviolet ray. 公司产品性能优越，防风、防尘、防雨、防静电、阻燃、抗紫外线。
- Adapt to the environment temperature of the golf cart outdoor, well functions of water &dust proof, heat-resisting, quakeproof, and resistant to impact. 适应室外球车上使用环境，良好的防尘防水、防高温、防震动和抗撞击性能。
- Prevent microbes breeding,dust proofing and waterproofing. 防止细菌滋生，防尘，不渗水。
- Louvered window is made of aluminum alloy, with special pneumatic open and shutting sructure to ensure the window completely open and shut,it can be in storm proof, rain proof and dust proof of carring belt rotary,which get the national patent. 百叶窗采用铝合金，具有独特的气动式开闭机构，保证百叶窗完全打开或关闭，百叶窗达到防风，防雨，防尘采用支撑皮带转动，已获得国家专利。
- Water and dust proof lighting fitting 防水防尘灯
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Dust Proof Technology in Small Foundry 小型铸造厂防尘技术措施
- Dust proof performance - Test method for buses 客车防尘密封性试验方法
- The onus of proof lies with you. 你有责任提供证据。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor. 采用工业脂肪酸和环氧乙烷加成法研制成乳化剂,进而获得一种新型染料防尘剂。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- A soldier's courage is put to the proof in battle. 士兵的勇气在战斗中得到考验。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- Can you produce any proof of your date of birth? 你能出示有关你的生日日期的任何证件吗？
