地下工程，铺贴厚度小于3mm的高聚物改性沥青卷材时，严禁采用的施工方法是（）。 ["冷粘法","热熔法","满粘法","空铺法"]
Given the following query:SELECT last_name, first_name, age, hire_date FROM employee WHERE age > 40Which of the following clauses must be added to return the rows sorted by AGE, oldest first, and by LAST_NAME, from A to Z?（） ["SORT BY age ASC, last_name","SORT BY age DESC, last_name","ORDER BY age DESC, last_name","ORDER BY age ASC, last_name"]
（）不是变压器的主要构件。 ["初级线圈","次级线圈","磁芯","开关"]
After mirroring rootvg, a system administrator wants to validate that the system will boot correctly. Which of the following tasks must be performed before changing the boot order?（） ["Run a bosboot -a command","Mirror the hd5 on the two disks","Set up another service mode bootlist","Check the disks using a lsvg -p rootvg command"]
有机团结
原料采购的方法有哪些？
