the main content is as follows:1. the supporting way of the axial variable displacement piston pump is researched.
论文主要完成以下研究内容:1。对轴向变量柱塞泵的支撑方式进行了研究。
at the present, the key technology of the axial variable displacement piston pump is grasped by the foreign companies, the research and manufacture level in our country are on the elementary stage.