双滑阀的悬挂控制阀
two-spool suspension valve
two-spool suspension control valve
悬挂油缸错误的充注
incorrect suspension cylinder charge
水面操纵的电动-液压机械手
surface-operated electrohydraulic manipulator device
水密门的操作
Operation of Watertight Doors
水霉的抑制
reduce incidence rate of Saprologenia parasitia
水轮发电机的优化设计
optimal design of hydrogenerator