Which of the following is(are) an advantage of a dry chemical extinguisher over a carbon dioxide extinguisher? The dry chemical extinguisher______.① Has a greater range. ② Provides a heat shield for the operator.
A、
C、 Both ① and ②
B、
D、 Neither ① nor ②
C、
A、① only
D、
B、 ② only
发布时间：2025-08-17 06:03:55
