新型金刚石链锯运转可行性研究(二)——链条最大容许运动速度的计算
신형금강석련거운전가행성연구(이)——련조최대용허운동속도적계산
Study on operation feasibility of the new diamond chain saw——Calculation of the chain's maximum permissible speed
저자의 최근 논문