以下哪些物品属于损伤性废物?()
A、手术锯
B、玻璃安瓿
C、医用针头、缝合针
D、备皮刀
E、玻璃试管
参考答案:A, B, C, D, E
韶山4型电力机车弹簧悬挂装置总静挠度是()。
A.125mm
B.135mm
C.145mm
D.155mm
[A] everywhere[B] say nothing[C] wash clothes[D] restaurant[E] February[F] January[G] hospital
do some washing