overload preventing device 防过载设备
accident preventing device 事故保护设备
lightning preventing device 防雷
misoperation preventing device 防误装置
displacement preventing device 变位限制装置
gas leakage preventing device 气体防漏装置
Through developing new tilting preventing device, good result is gained.
通过新的防倒装置的研制和应用,取得了很好的效果。
The utility model discloses a myopia-preventing device which is a tool for preventing the myopia of eyes.
防近视器是一种防止眼睛近视的器具。
The utility model relates to a toppling preventing device for a bicycle, and is suitable for preventing a bicycle from toppling in the process of running.
一种自行车防倾倒装置,适于防止自行车行驶过程中倾倒。
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