在液压三点杠杆式追随机构中,当舵轮在零度位置时变量泵()。
A.停止不转
B.左传
C.右转
D.连续运转
参考答案:D
____in red , she looks very beautiful.
A.Dressed
B.Dressing
C.Having dressed
D.Having been dressed
启动初期汽包水位为何以云母水位计和电接点水位计为准?