主页
学科
搜索
账户
常见问题
当前学科:水泥生产制造工
题目:
单选
中等水泥中MgO限量规定为()。
A . ≤3.5%
B . ≤5.0%
C . ≤6.0%
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:
据《灵枢•本神》篇所述,脾气实的症状是()
Dear Sirs, We have received your letter of Feb.23 that ponited out the price offered by us for our product is found to be on the high side.We regret to say that there is no possibility of our cutting the price to the extent you indicated,i.e.3%.These days,we have received a crowd of inquiries from buyers in other directions and expect to close business at something near our level.At present,we cannot see our way to entertain your counter-offer. We assure you that your inquiries will receive our immediate attention. Yours truly, (Signature)
在分馏过程中是切割馏分的主要参数和直观依据()
提升执行力的作用包括().
肺心病患者,66岁。近一周来咳喘加重,发组,腹胀,下肢浮肿,神志清楚,动脉血气分析:PH7.32,PaCO28.3kPa(64mmHg),PaO26.5kPa(5OmmHg),氧疗应给予()
衡平法存在于我国的( )。
中国哲学与()同源。
铁路运输合同是明确铁路运输企业与()之间权利义务关系的协议。
农村市场结构
降凝催化剂的金属组分不仅具有加氢活性,而且也改善了裂化活性和稳定性。