fool proof device 保险装置
noise-proof device 防噪声装置
sound-proof device 隔音装置
leak-proof device 防漏装置
fool-proof device 防谑装置
automatic explosion-proof device 自动防爆装置
Explosion-proof device for pipelines 管路防爆装置
rain proof device 防雨装置
Equipped with filtering acid mist flame-proof device, more safe and reliable.
装备了过滤酸雾隔爆装置,更安全可靠。
The utility model relates to an obstruction-proof device for exhaust holes of domestic pressure cookers.
本实用新型是家用压力锅排汽孔防堵塞装置。
The new and practical drop-proof device plays the function of ensuring safety of the scaffold in the course of lifting up and down.
实用新型的防下坠装置在架体升降过程中起到保证安全的作用。
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