And he also saw why he couldn't get the same results using steel ball bearings in a cylinder.
并且他知道为何他用铁球珠不能得出一样的试验结果。
2
Balanced type hydraulic cylinder and precision hydraulic adjusting valve guarantee optimal cutting performance and enable saw blade not to break down.
平衡式液压缸与精密液压调整阀确保达到最佳切削状态，使锯条不易拉齿损坏。
3
The utility model belongs to a cutter for cutting, relating to a hole saw for processing bigger circular holes on the decorative panel, comprising a cylinder basal body;