横过车辆基地及地面站线路时,须执行()制度。
参考答案:“一站二看三通过”
— Have you seen the film _____ Lost In Thailand (泰囧) ?
— Yes. It’s great fun . I couldn’t stop _____while I was watching it
A.call ; to laugh
B.calling laughing
C.called ; laughing
D.name laughed
工字钢120中,数字表示()。
A.工字钢截面高度20mm
B.工字钢截面高度200mm
C.工字钢截面宽度200mm
D.工字钢截面宽度20mm