问题
单项选择题
用单车试验器进行制动安定试验,保压时检查制动缸活塞行程,254~254制动缸常用制动时装用闸瓦间隙自动调整器空车制动缸活塞行程为()。
A.(125±10)mm
B.(155±10)mm
C.(100±15)mm
D.(100±10)mm
答案
参考答案:B
用单车试验器进行制动安定试验,保压时检查制动缸活塞行程,254~254制动缸常用制动时装用闸瓦间隙自动调整器空车制动缸活塞行程为()。
A.(125±10)mm
B.(155±10)mm
C.(100±15)mm
D.(100±10)mm
参考答案:B
选择合适的句子,补全对话。 | |
B: I often go shopping with my parents. 2._____________________. A: Oh, you are helpful at home. 3.___________________________? B: Summer. Because I can swim in the lake. 4.________________ ? A: Me too. Because my birthday is in summer. B: 5.____________________________ ? A: It's June the first. It's Children's Day. |