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- You can lessen the risks of hearing difficulties and tinnitus by protecting your ears with earplugs or other hearing protection devices at all times. 人们可以通过使用耳塞或其他保护装置来减少发生听力困难和耳鸣的风险。
- Pessina D, Guerretti M. Electiveness of hearing protection devices in the hazard reduction of noise from used tractors agric. Environ Res 2000;75:73-80. 萧金政。工厂劳工个人全天噪音曝露量与噪音性听力损失之探讨。高雄医学大学医学研究所硕士论文。高雄,1992。
- Effects of hearing protection device on body balance 噪声防护具对人体平衡的影响
- hearing protective device 听力保护器
- 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。
- 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。
- Respiratory protective devices - Classification. 呼吸保护装置。分类。
- Double cut off protection device. 双重断电保护装置。
- Safety power cut off protection device. 安全断电保护装置。
- Microphone-in-real-ear and acoustic test fixture methods for the measurement of insertion loss of circumaural hearing protection devices 头戴听力保护装置的介入损耗测量用耳中扩音器和固定物声音试验法
- 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。
- 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?
- 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。
- 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。
- With appropriate hearing protection an operator can safely operate the system all day. 只需使用适当的听力保护装备,操作人员便可以全天安全地操作此系统。
- Gas protection device for evacuating high-boiling working media. 在较宽的压力范围内有较大的抽速;
- It features excellent attenuation abilities and therefore provides optimal hearing protection for its users. 它的特点是具备极佳的可懂度,因此对用户的听觉提供理想的保护。
- 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;