The paper introduces the performance and the factory performance test of the slipspeed-regulating low-vein miner.
介绍了滑差调速薄煤层采煤机的总体及牵引部、割部等各部性能特点；该机的出厂性能试验等。
2
It describes additional experimental work, measuring the belt-slipspeed tangentially about both of the pulleys in the variator.
本文还描述了附加的实验研究，测出了变速器内两带轮的切向滑动速度。
3
There were higher failure rate, large maintenance and poor characteristics of speed governing due to using slipspeed governing of motors for feed - ers of coal for boilers.