论文部分内容阅读
北京起重机器厂生产的ZBSV40型手动伺服变量式轴向柱塞泵的特点是能够在工作中变量。可是,目前绝大多数用户把它当作可以改
ZBSV40 type manual variable displacement axial piston pump produced by Beijing Crane Factory features variable working variables. However, the vast majority of users as it can be changed