Machinery for forestry - safety requirements and testing for pole - mounted powered pruners - units for use with a back - pack power source 林业机械.动力杆驱动的修枝锯的安全要求和试验.用于背负式电源的装置
Forest machinery . backpack power units for brush - cutters , grass - trimmers , pole - cutters and similar appliances . safety requirements and testing 森林机械.灌木铲除机,草修剪机,剪枝机和类似用具的背负式动力装置
Forestry machinery - backpack power units for brush - cutters , grass - trimmers , pole - cutters and similar appliances - safety requirements and testing 林业机械割灌机割草机杆式修枝锯和类似机具的背负式动力装置安全要求和试验
Machinery for forestry - safety requirements and testing for pole mounted powered pruners - part 2 : units for use with a back pack power unit 林业机械.动力杆式整枝剪的安全要求和试验.第2部分:背负式电源装置上使用的切削工具
Equipment used for spraying can range from a small hand - held compression sprayer to a gas - powered backpack sprayer to a hydraulic mist blower 用来喷洒的设备大小不一，可以是小型手提喷洒泵，或者是用背负式机动喷洒装置，甚至是大型的喷洒机。
Machinery for forestry . portable hand - held brush - cutters and grass - trimmers with backpack - mounted combustion - engine power source . safety requirements and testing 森林机械.背负式安装内燃机动力源的便携手提灌木铲除机和草修剪机.安全要求和试验
Easily portable backpack vacuum cleaner with patented carrier frame for convenient and fatigue - free operation even on narrow cleaning sites such as scaffoldings , ladders , ropes , narrow paths in cinemas , theatres , trains , busses and airplanes etc 轻巧的背负式真空吸尘器，其独特的机身结构设计获得专利,使用方便，操作时不易感到疲劳,常用于清洁狭窄的区域，如脚手架、梯子、绳索，以及影剧院、车厢、巴士和机舱内的狭窄通道中。
