自动化驼峰第一分路道岔采用6号对称道岔、ZK型转辙机,当有蓄电池浮充供电时,保护区段 发布时间:2017-05-27 23:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 自动化驼峰第一分路道岔采用6号对称道岔、ZK型转辙机,当有蓄电池浮充供电时,保护区段长度为()。A.6.250mB.6.308mC.7.558mD.8.022m
题型:单项选择题 — Good morning. I've got an appointment with Miss Smith in the Personnel Department. — Ah, good morning. You _____ be Mrs. Peters. [ ]A. might B. mustC. would D. can 查看答案