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- Knowledge in waterproof, dust proof and sealing. 具有防水、防尘和密封方面的知识。
- Prevent microbes breeding,dust proofing and waterproofing. 防止细菌滋生，防尘，不渗水。
- 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 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。
- 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。
- Discussion on technical standard of mine flame proof seal dam 煤矿防爆密闭墙技术标准探讨
- Daub is made from polymer,additive and stablilizer.It is used for explosion proof sealing of steel tubes or cable ingress. 采用高分子聚合物、添加剂和稳定剂配制成的胶泥状物，用于钢管或电缆配线工程防爆隔离密封。
- Keywords dust proofing agent for dyestuff;emulsor; 染料防尘剂;乳化剂;
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- Water and dust proof lighting fitting 防水防尘灯
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Dust Proof Technology in Small Foundry 小型铸造厂防尘技术措施
- This document carries the royal seal. 这份文件上盖有王室印章。
