A unique design feature about the K Series is that recessed switches fit flush with the cylinder body to economize space and protect the switch from damage.
浅谈k系列独特的设计特点是凹进开关配合瓶身刷新节约空间和防止损害开关。
A unique design feature about the K Series is that recessed switches fit flush with the cylinder body to economize space and protect the switch from damage.
浅谈k系列独特的设计特点是凹进开关配合瓶身刷新节约空间和防止损害开关。
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