胸痛的性质是因病而异,白血病是()
A.胸骨压痛
B.刺痛
C.窒息感痛
D.锥痛
E.酸痛
参考答案:A
.
Do you often shop in our store? How much do you ______ spend every time?
A.approximately
B.properly
C.immediately
D.probably
调整胶带跑偏,应在负载运行时进行,首先从机头卸载滚筒处开始,沿着胶带运行方向先调回空段,后调承载段。