Sunday, June 2, 2024
Sunday, June 2, 2024
皮带胶接刀割接头时,对下一层误损厚度不应超过纤维层的()A、1/4B、1/10C、1/2...
Sunday, June 2, 2024
Tuesday, November 28, 2023
在传动功率不大,环境潮湿的情况下,可采用光面滚筒作为传动滚筒。...
Friday, March 1, 2024
Friday, March 1, 2024
Monday, April 10, 2023
RCDD型除铁器,其电磁铁运行温度不允许超过()℃。A、80B、140C、160...
Saturday, May 4, 2024
金属材料的强度和硬度之间有一定的关系,一般金属材料其硬度越大,强度越高。...
Saturday, May 4, 2024
Wednesday, December 6, 2023
Tuesday, November 28, 2023
带传动包角越大,其传动能力()A、越强B、越弱C、不变...
Saturday, May 4, 2024
液力偶合器最多只能充入它容积()的工作液。A、75%B、80%C、85%...
Friday, March 1, 2024
液力偶合器的充油量不应超过腔室容积的()A、40-50%B、40-80%C、50-90%...
Sunday, July 16, 2023
如煤堆的温度超过()时,有的煤就会在短时间内自燃。A、70℃B、60℃C、80℃...
Sunday, June 2, 2024
Sunday, June 2, 2024
试述DCY250-31.5-IVS减速机各符号的意义。...
Friday, October 27, 2023
Friday, March 1, 2024
Wednesday, December 6, 2023
液下污水泵的轴承温度,不应超过外界温度的70°但最高不应大于()A、80°B、90°C、95°...
Sunday, June 2, 2024