电焊机起火后,被迫带电灭火,可采用()灭火。
参考答案:1211灭火剂
Do you know how many people ______ the big fire last week? [ ]
A. lived
B. survived
C. stayed
D. continued
华为公司的包装箱粘贴的常用提示标签有:()。
A、怕雨
B、向下
C、易碎
D、堆码极限层数