绝缘棒的绝缘部分和握手部分是用浸过绝缘漆的木材、()等制成。
A.硬塑料
B.胶木
C.金属
D.玻璃钢
参考答案:A, B
In the context of corporate governance explain the role of the external company auditors, paying particular regard to the following issues:(a) their qualifications;(b) their powers;(c) their duties. (10 marks)
在查取露点过程中,由露点查算表可知,当干湿球温度差不变时,若湿球温度越大,则空气露点()。
A.越低
B.不变
C.越高
D.不确定