正确答案: A
360•ΔL/α
题目:局部螺距等于()(ΔL为螺距规量杆的升程α为螺距规水平杆转过的角度)。
查看原题 查看所有试题
学习资料的答案和解析:
[单选题]对每台不能换向的发动机在冷机条件下连续起动次数应不少于()次。
6
[单选题]大型低速柴油机铸铁气缸套的异常磨损率()mm/kh。
>0.1
[单选题]Before replacing a piston you should check the rings to see that all clearances and gaps are () the permissible tolerances.
withi
[单选题]The hydraulic () is used to control engine speed.
governor