题型:名词解释 冷、热水及冷却水系统与制冷机组、空调设备贯通前,应对系统冲洗、排污合格(目测:以排出口的水色和透明度与入水口对比相近,无可见杂物),再循环试运行()以上且水质须正常。A.0.5hB.2hC.12hD.24h 查看答案
题型:名词解释 某全球通用户通过短信进行兑换300元话费,正确的短信格式?()A.2300空格30到10086B.2301*6到10086C.2301*30到10086D.2301空格30到10086 查看答案
题型:名词解释 — Mike injured his leg playing football yesterday.— Really?()A.Who did that?B.What’s wrong with him?C.How did that happen?D.Why was he so careless? 查看答案