主页
学科
搜索
账户
常见问题
当前学科:采油化验工(高级)
题目:
单选
测定水样中SO
的质量浓度在80--200mg/L时,允许相对偏差小于()。
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
按外币帐户的性质分为:经常项目和资本项目。()
怎样理解公司宗旨?
电子商务的特点可以归结为()和服务型,集成性,可扩展性,安全性,协调性
爆破器材运输有什么安全要求?
早晨刷牙比晚上睡前刷牙更重要.
网上订(配)货的实施辅导有()
甲亢最常见类型是()
苯甲酸和苯甲酸钠属于()。
If the period between twenty and thirty is the critical one in the formation of intellectual and professional habits, the period below twenty is more important still for the fixing of personal habits, properly so called, such as vocalization and pronunciation, gesture, motion, and address. Hardly ever is a language learned after twenty spoken without a foreign accent. Hardly, ever, indeed, can he even learn to dress like a gentleman-born. Hardly ever, indeed, no matter how much money there be in his pocket, can he eve n learn to dress like a gentleman-born.
简答王禹偁诗歌的内容。