使用热导检测器作色谱分析时,常用氢气作载气,其优点是热导系数大,便宜易得,其缺点是(),故一定要注意安全。
参考答案:易燃易爆
----How do you deal with disagreements between the company and the customers?
----They key the problem is to meet the demand by the customers.
A.to solving; making
B.to solving; made
C.to solve; making
D.to solve; made
国家劳动保护监察的形式不包含()监察。
A、专业性
B、一般
C、劳动