皮皮学，免费搜题
登录
搜题
【多选题】
以下对液压助力转向系统的描述,其中正确的选项是哪些?A.
该系统包括助力油壶、散热油管、助力泵、转向器
B.
ECO助力泵是电控孔口的意思
C.
转向器齿条活塞两侧分别有—个液压腔室
D.
转子分配阀控制油液的大小,还能实现伺服过程
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Haven’t seen Lucy recently，what’s happened? —Oh，it’s more than two months ________ she worked here.
A.
which
B.
that
C.
before
D.
since
【单选题】—Haven’t seen Lucy recently. What’s happened? —Oh, it’s more than two months ______ she worked here.
A.
before
B.
after
C.
since
D.
when
【单选题】The statement'Washington, we have a problem'was said by_____.
A.
Rome's La Republic.
B.
The French-language Swiss daily 24 Hems.
C.
A Russian daily.
D.
British tabloid the Dally Mirror.
【单选题】— Haven't seen Lucy recently, what's happened? 一 Oh, it's more than two months _____ she worked here. [ ]
A.
which
B.
that
C.
before
D.
since
相关题目：