This paper presents the construction and drive system designs and operating load torque calculation for a caterpillar trailer fixed on table with VVVF s drive system.
介绍了新型台式变频履带牵引机的结构设计、工作负载转矩计算及拖动系统设计。
This paper presents the construction and drive system designs and operating load torque calculation for a caterpillar trailer fixed on table with VVVF's drive system.
介绍了新型台式变频履带牵引机的结构设计、工作负载转矩计算及拖动系统设计。
Her father sat reading at the table; and I, on purpose, had sought a bit of work in some unripped fringes of the window curtain, keeping my eye steadily fixed on her proceedings.
她父亲坐在桌子那边看书；我呢，故意找点事作，去整理窗帘上几条扯不开的繐子，眼睛死盯着她的动静。
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