您要查找的是不是：
- ear protective device 护耳器
- We feel safe with a protective device in the house. 我们因为家里有了防护装置而感到安全。
- Wear ear protection near noisy activities. 靠近噪音须佩戴护耳器。
- Eye and ear protection should be worn at all times. 始终应配戴护目和护耳装备。
- A protective device for absorbing shocks or impeding contact. 用来减少冲击或阻碍性联系的保护设施。
- Double cut off protection device. 双重断电保护装置。
- Respiratory protective devices - Classification. 呼吸保护装置。分类。
- Safety power cut off protection device. 安全断电保护装置。
- Ref. Plant to be done protection device test and cooling-down test. 冷藏机组保护装置试验及打冷试验。
- Special instruction: in order to use safely, make sure install the residual carrent iperated protective device. 特别提示:为了用电安全,用户的电源总制请安装漏电保护开关。
- Do protective devices comply with pump motor amp rating? 保护设备是否符合泵电机的额定电流?
- According to the application comprehensive of the shield,equipotential bonding and surge protective device,the combi... 综合应用屏蔽、等电位连接和电涌保护器等基本防护措施,实现了自动化系统的雷电综合防护。
- Our hot protecting device has obtained UL and VDE approval. 热保护器获得UL和VDE认证。
- With overload protection device, the machine works safely. 有过载保护装置，保证设备安全运行。
- Gas protection device for evacuating high-boiling working media. 在较宽的压力范围内有较大的抽速；
- The characteristic and function of the protective device based on the theory of pules high-pressure line are described. 摘要论述了脉冲高压线路保护原理及构成保护装置的特点与功能；
- Result A set of interventional protective device matching DSA was developed through tripartite corporation. 结果:采取三方合作,共同研制出一套与DSA匹配的介入防护装置。
- "Shenzhou V" as an example, Yang put in ear protection will be reduced to 120 dB noise from 100 decibels, while a decrease of only 20 dB, but the sound is equivalent to a reduction of half! 以“神五”为例，杨利伟在戴上防护耳塞后将噪音由120分贝降为100分贝，虽然只减少了20分贝，但相当于声音减少了一半！
- Operative embolic complication can be potentially prevented by neurological protective device. 远端保护装置的应用是防止术中脑卒中并发症的必要措施。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
