line-throwing appliance 抛绳器 ; 抛绳器具

line throwing appliance 抛绳设备 ; 抛绳器

life throwing appliance 救生索发射器

life line throwing appliance 救生抛绳设备

life-throwing appliance 救生抛投器

mooring line throwing appliance 系缆投掷器

line switching technique throwing appliance 抛绳设备

Inspecting anchor throwing away appliance 弃锚装置检查