抛绳设备 Marine Line-throwing Appartus 用途：一个容器内包括有一支抛绳枪，四支火箭和四根抛射绳，用于船对船或船对岸的联系。 A container consists of 1 pisto1.4 rockets,4 lines for connection between ship-to-ship of from ship-to-shore. 抛绳距离（无风天气） Throwing Distance≥230m (in calm weather) 抛绳破断张力 Breaking Strength of Line ≥2KN