【判断题】互锁是用低压电器的常闭触点锁住对方线圈的不通电状态,即实现两个线圈不能同时通电。
【单选题】关于return语句,下列描述正确的是()
【判断题】用低压电器的常闭触点锁住对方线圈的不通电状态,即实现两个线圈不能同时通电,称为互锁。
【单选题】On what grounds are certain managers seconded to HR departments?
A.
It is believed that they will relate to potential recruits.
B.
It is thought that they will benefit most from new developments.
C.
It is assumed that they will be able to apply specialised knowledge.
D.
It is expected that they will take advantage of new promotion opportunities.
【单选题】下列有关 return 语句的描述中 , 正确的是 ( ).
【单选题】用低压电器的常闭触点锁住对方线圈的不通电状态,即实现两个线圈不能同时通电的状态称为( )。
【单选题】剥取肉桂十年生以上树皮,将两端削成斜面,夹在凹凸板中间,压成两侧向内卷曲的浅槽状,称为( )
【单选题】剥取肉桂十年生以上树皮,将两端削成斜面,夹在凹凸板中间,压成两侧向内卷曲的浅槽状,称为