This paper analyzes the flying saw control principle by use of programmable control block and ladder diagrams.

分析了采用可编程序控制器控制飞锯机的原理，给出了飞锯机控制程序框图及梯形图。

youdao

In this system, the PLC and the DC speed-regulator are combined to simulate the operation of flying saw machine.

采用直流调速器和可编程控制器的结合来实现飞锯机模拟。

youdao

This text introduces the design characteristics, model calculation, electric control principle and configuration of a hot flying saw.

介绍了旋转式热飞锯的设计特点、模型计算、电气控制原理及结构。

youdao

Keith Noble, who took photos, said he first saw it flying out over the water and was "struck by its vivid colour".

BBC: Rare dragonfly visitor at reserve

Mike Russell, a tutor at the trust, saw the osprey flying over Woods Mill in Henfield, searching for fish.

BBC: Osprey visits Sussex Wildlife Trust

"I was standing outside having a cigarette when I saw the helicopter flying super fast towards the crane, " said Rezart Islami, a builder who was working across the street from the 52-story building.

CNN: 2 killed as helicopter crashes into crane in central London