()安装于门机内,控制门单元运动,并反馈控制状态给PEDC。
A.LPSU就地供电单元
B.屏蔽门状态指示盘PSAP
C.就地控制盘PSL
D.DCU门控单元
参考答案:D
The wine industry in the area has developed in a special way, _____ little foreign ownership.[ ]
A. by
B. of
C. with
D. from
化学泡沫厚度Hb的参考值有何规定?