Of equipment ; without a motor and intended for hand operation ( “ a manual keypunch ” ; “ a manual typewriter ” ) 对设备而言,指无马达和用手操作的设备(如人工键穿孔机、人工打字机) 。
Remote control gear with transmission tubing for manual operation ; deck operating devices with slewable crown gear unit , welding - in type 用手操作的带传输管的遥控装置.焊入式带可快速旋转的
Personal protective equipment against falls from a height - descender devices - single - hand operated descender devices for self or assisted rescue 防止人员高空坠落用设备.自救或援救用单手操作的下降设备
