【判断题】水泥胶砂搅拌时,标准砂是在低速搅拌30s后,在第二个30s开始的同时均匀加入。
【单选题】Maximum and minimum working temperatures must be considered when choosing the joint, which must be so installed that it is neither over-compressed nor over-extendedThe bold and italic word 'which 'pro...
A.
maximum working temperature
B.
minimum working temperature
D.
the insulating material
【判断题】汽车行业不同的4S店礼仪差别很大,必须重新培训。
【判断题】水泥胶砂搅拌时,标准砂是在低速搅拌30S后,在第二个30S开始的同时均匀加入。
【判断题】水泥胶砂搅拌时,标准砂是在低速搅拌30s后,在第二个30s开始的同时均匀加入。
【简答题】When choosing trade terms in practice,what should be paid attention to7
【单选题】According to the editor, when choosing vocation rentals, one should do the following EXCEPT
A.
sign a contract with the owner.
B.
read comments by former renters.
C.
make sure the service is legitimate.
D.
make reservations on eBay.
【判断题】管理者是管理活动的主体,所以管理者的出生背景、人际关系是管理学研究的重要课题。