【多选题】按计划的综合性程度进行分类,计划可被分为()。
【单选题】Brunnstrom技术的主要原理是()。
【单选题】Brunnstrom技术的主要原理是()。
【单选题】In the relay-contactor control circuit of a motor, the short circuit protection is usually carried out by the ______.
【单选题】In the short circuit protection of the automatic power plant, the automatic function will be blocked to ______.
A.
start the stand-by generator
C.
switch on the tripped generator again
D.
prevent the 2nd short circuit
【单选题】For a short circuit, which factor determines the current through it?