Even as sheep before their shearers are dumb, so they were not permitted to open their mouths.
绵羊在剪刀面前是不声不响的，因此他们也不得开口说话。
It has tnade a good results to use the techniques on the shearers and in the heading faces in coal underground.
并将此技术用于煤矿井下采煤机和炮掘工作面，取得了很好的降尘效果。
This lock can satisfy the working demand of shearers and improve the working function and reliability of the height adjusting system.
这种液压锁能满足采煤机的工作要求，改善调高系统的工作性能和可靠性。
The lyrics could be read as a romanticized story, in circulation at the time, about a dispute between the shearers and their employer.
歌词可以被当成一个浪漫的故事来读，流传于当时，是关于羊毛工人和他们的雇主之间矛盾的故事。
With the example of feed circuit and heat exchange oil circuit teaching of the MLS3 -170 shearers, the writer introduces methods of classroom teaching.
本文以MLS3—170型采煤机牵引部液压系统补油和热交换油路的讲解为例，介绍液压系统的讲解方法。
This paper discusses coal cutting drum, coal loading, maximum coal cutting height, low coal seam conveyor and how the low coal seams restrict the use of coal shearers.
分析介绍了滚筒装煤、最大采煤高度、薄煤层输送机、薄煤层对采煤机的要求等问题。
Based on main chain spocket of shearers, the paper describes special requirement of reasonable high frequency quench, quench technology, structure and technology parameter of the inductor.
根据主链轮的受力，确定了合理的高频淬火技术要求、淬火工艺、感应器的结构和工艺参数。
Based on main chain spocket of shearers, the paper describes special requirement of reasonable high frequency quench, quench technology, structure and technology parameter of the inductor.
根据主链轮的受力，确定了合理的高频淬火技术要求、淬火工艺、感应器的结构和工艺参数。
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