safety device belt

基本解釋

The utility model relates to a vehicle safety seat, comprising a chair and a safety belt device.
本實(shí)用新型提供了一種車用安全座椅，由座椅與安全帶裝置組成；
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The adjustment device of the height of the safety belt is simple in structure and convenient in operation.
這種安全帶高度調(diào)節(jié)裝置的結(jié)構(gòu)簡(jiǎn)單、操作方便。
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The speed protection transducer is a new and simple equipment of safety protection device for conveyor belt.
皮帶機(jī)速度保護(hù)傳感器是皮帶輸送機(jī)的一種新型且簡(jiǎn)易的設(shè)備安全保護(hù)裝置。