皮皮学，免费搜题
登录
搜题
【简答题】
在单相相控整流电路中,定义晶闸承受正向电压起到触发导通之间的电角度α称为 .
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Some roads were flooded, ____ made the journey more difficult
A.
that
B.
which
C.
where
D.
it
【单选题】Some roads were flooded and the travelers should avoid ________ on such roads.
A.
to drive
B.
driving
C.
to driving
D.
drive
【单选题】Some of the roads were flooded, _______ made our journey more difficult. [ ]
A.
which
B.
it
C.
what
D.
that
【单选题】Some of the roads were flooded, _______ makes ourjourney difficult.
A.
that
B.
it
C.
which
D.
who
【单选题】Some roads were closed adn many trucks _____ in the snow.
A.
got stick
B.
were stuck
C.
were stick
D.
Get stuck
相关题目：
参考解析：
知识点：
题目纠错 0
发布
