移动喷涂焊机时人员如何站位？
参考答案：站在移动设备的两个侧面及后面，脚要远离滚杠。
----What is it about him _____you dislike him .
----I don’t know . But I don’t like him from the start .
A．who
B．that
C．whether
D．whom
具有清肺止咳功效的药物是
A．薏苡仁B．泽泻C．猪苓D．石韦E．滑石
