The amount of chloride content in the water of an auxiliary boiler can be reduced by（） ["adding hydrazine","blowing down the boiler","adding phenolphthalein","adding a sulfite chloride scavenger"]
教师在课堂上展示实物、模型、图片进行演示实验，采用现代化视听手段指导学生获得知识的一种教学方法是（）。 ["谈话法","授课法","演示法","模拟法"]
境内ATM跨行转账手续费优惠的标准是：白金卡交易优惠50%；钻石卡交易免收。
什么是粘着剂？
The purpose of designing some waste heat boilers with sinuous fire tubes, is to（） ["increase exhaust gas velocity through the boiler","reduce accumulations of carbon deposits on the heat transfer surfaces","eliminate exhaust gas pulsations and noise","increase the rate of heat transfer to the waterside"]
配网抢修指挥工作中国调中心主要职责是什么？
