催化重整装置中的油品蒸馏和重整反应其所需的热量由()提供。 ["水蒸汽","换热器","加热炉","再生器"]
For an incomplete recovery, which four backup types can be used by Recovery Manager (RMAN) to restore data files? () ["RMAN image copies","RMAN database backups","RMAN tablespace backups","usermanaged backups placed in the flash recovery area","usermanaged backups that have been cataloged with RMAN","usermanaged data file backups for which the full path name is specified"]
在囊式封堵作业中,Φ377mm管线封堵法兰短节的总成口径是() ["DN500","DN300","DN200","DN100"]
120阀全部采用了橡胶膜板,取消了金属滑阀结构。
Which of the following files should an administrator modify to configure dynamic caching?() ["dynacache.xml","cachespec.xml","dynacache.conf","cachemon.xml","cachespec.conf"]
班级教学的基本形式有行政班、()、()、()。