问题:按有效数字的常规修约,34.86以2单位修约到小数后一位得34.9。
Tuesday, February 7, 2023
Saturday, September 17, 2022
问题:分析一阶微分环节与理想微分环节的特点,说明TD、FD、Kd的意义。
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Tuesday, March 26, 2024
Saturday, September 17, 2022
Saturday, March 2, 2024
Saturday, September 17, 2022
Tuesday, December 13, 2022
Saturday, September 17, 2022
问题:电接点水位计、水位平衡容器或变送器与汽包连接的取样管,一般应至少有1:100的斜度,汽侧取样管应向上向汽包方向倾斜。
Tuesday, September 13, 2022
问题:过热蒸汽的温度与该压力下的饱和温度之差称为()。A、过热度B、干度C、饱和度D、比潜热
Saturday, September 17, 2022
Thursday, February 29, 2024
Saturday, September 17, 2022
问题:电子皮带秤的调校和测试项目,有()。A、零点检定B、在线实物检测与校准、最大允许误差C、模拟负荷检测D、称重传感器和测速传感器精度
Saturday, September 17, 2022
问题:弹簧管式压力表测压时,在弹性极限范围内,弹簧管自由端的位移与被测压力成指数关系。
Saturday, September 17, 2022
Saturday, September 17, 2022
Tuesday, September 13, 2022