喷涂油漆的流体软管通常为电绝缘以防电火花传导。
参考答案:错
ff the payout ratio increases, the P/E multiple will:()
A. increase, if we assume that the growth rate remains constant.
B. always increase.
C. decrease, if we assume that the growth rate remains constant.
回避制度是以()为中心。
A、公职人员对机构臃肿
B、用亲属不讲原则
C、裙带关系
D、公职人员对亲属回避