他们可以像树枝或蜘蛛网的短锯齿线。

They can look like tree branches or spider webs with their short jagged lines.

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研制出了锯切自动控制模型和电机自动定位模型，大型H型钢锯切自动控制模型，解决了热锯和冷锯运行速度和过载之间不匹配的问题，缩短锯切周期所用的时间。

Making out saw control model and position control model, Heavy H-beam saw control model resolve the speed and overload relation between hot saw and cold saw, making short about the saw cycle.

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