问题详情

Which of the following problems will occur if the internal drain at either end of a hydraulic, two-way, spool-type directional control valve cylinder were to become plugged？

A.The reservoir would become vapor bound

B.The valve would be placed in hydraulic lock

C.The spring loaded relief ports would open

D.The buffering chambers would be unable to function

请帮忙给出正确答案和分析，谢谢！