当分配阀在“缓解位”时,主阀部开通()与制动管的通路。
A、工作风缸
B、总风缸
C、过充风缸
D、局减室
参考答案:A
They asked the teacher _______.
A.when will they have the exam
B.when they would have the exam
C.when they have the exam
D.when would they have the exam
沥青混合料组成设计包括()设计阶段。
A.目标配合比设计
B.生产配合比设计
C.生产配合比折算
D.生产配合比验证