索具；帆缆；支索：用于支撑或控制航船的桅杆、帆或帆桅的绳索、链条或滑车系统。
Nautical The system of ropes, chains, and tackle used to support and control the masts, sails, and yards of a sailing vessel.
本文介绍了一种用于测量火箭滑车速度的激光测试系统。
A new kind of laser velocity measuring system for the rocket sled is introduced.
电缆滑车是一种理想的物流供电系统，适用于室内外、多尘、多灰、温差较大、环境较差，要求运行平稳的供电系统。
Cable pulley is an ideal power supply logistics system, suitable for indoor and outdoor, dust, dust, temperature difference, poor environment, stable operation of the power supply system.
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