The pull control of long transportation belt is a very important link in the entire transportation system.
长输送带的拉力控制是整个输送系统的一个十分重要的环节。
The control lines on port and starboard that pull the jib sail in or out.
左舷和右舷上用来将前帆拉出或收起的绳索。
The control lines on port and starboard that pull the jib sail in or out.
左舷和右舷上用来将前帆拉出或收起的绳索。
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