Automatic rotor identification prevents the rotor from overspeeding. overtemperature, door interlock, strap broken protection, ensure safety.
转子识别系统，超温、超速、门盖、不平衡等保护功能，确保安全。
The safety helmet is held on by an elastic strap.
安全帽用一根松紧带系住。
A safety strap is used to prevent falling.
要系上安全带防止跌下。
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