Sunday, February 11, 2024
轴向柱塞泵蝶形弹簧的紧力要求压缩弹簧()。A、0.9~1mmB、0.8~0.9mmC、0.5~0.6mmD、0.3~0.4mm...
Sunday, February 11, 2024
Tuesday, September 13, 2022
Sunday, February 11, 2024
在检修中,装配径向柱塞马达时,涨圈不得有损伤及棱角,两涨圈开口位...
Sunday, September 11, 2022
Tuesday, August 8, 2023
转子式翻车机制动器,当制动瓦片磨损超过厚度的()时,需更换。A、1/2B、1/3C、2/3D、1/4...
Friday, May 10, 2024
Sunday, September 11, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, February 11, 2024
Sunday, October 29, 2023
錾子的夹角,用于加工一般碳素结构钢时,其尖角应控制在()。A、40°~50°B、45°~55°C、50°~60°D、55°~65°...
Thursday, November 10, 2022
两齿轮啮合运动,Z1=30、Z2=10,若ω1=57rad/s,则ω2为()rad/s。A、171B、10C、38D、5...
Friday, May 10, 2024
斗轮堆取料机液压油系统安装后,其严密性试验的试验压力为工作压力的...
Sunday, September 11, 2022
Tuesday, September 13, 2022
Tuesday, January 3, 2023
Thursday, December 14, 2023
摆线针轮行星传动特点是()。A、体积大,速比大B、体积小,速比小C、体积小,速比大D、体积大,效率高...
Thursday, April 20, 2023
Tuesday, January 3, 2023