下载APP
【单选题】
放置克令吊吊臂前，应先将吊臂转到支架上方，再把旋转手柄放在：（）
A.
旋转位置
B.
刹车位置
C.
“零位”空挡位置
D.
松开位置
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described