主页
学科
搜索
账户
常见问题
当前学科:酸洗工
题目:
单选
气相防锈纸快速甄别试验周期为()天。
A . 3
B . 5
C . 7
D . 9
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:
为了更好地反映生活事件对中国人的影响程度,张明园、杨德森等人编制了适合中国国情的生活事件量表。
Dear Sirs, We refer to the contract No.4632 covering 500 dozen track suits. We wish to remind you that we have had no news from you about shipment of the goods. As we mentioned in our last letter, we are in urgent need of the goods and we may be compelled to seek an alternative source of supply. Under the circumstances, it is not possible for us to extend further our letter of credit No.1492, which expires on 21 August.Please understand how serious and urgent it is for us to resolve this matter. We look forward to receiving your shipping advice, by fax, within the next seven days. Yours faithfully,
特种存单在部分支取后,如剩余金额不足10万元,则新存单必须使用普通存单。
区分不同税种的主要标志是()。
将儿童心理学研究分为扩大到青春期的是()
端粒(telomere)()
农信银系统汇差资金实行哪些管理原则()。
班超
票插须安装在厚度为()的槽型钢板托上,用螺栓紧固,焊于规定位置。
根据引起突发事件的危害源性质、现场周边环境、气象条件及人口分布等等因素,事件现场危险区域一般可分为()。