在烘焙“哥斯达黎加”咖啡豆时,带到锅炉温度上升至120℃时,需要将火力调整到()℃,并做好记录。
A. 100
B. 120
C. 150
D. 180
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在烘焙“哥斯达黎加”咖啡豆时,待到锅炉温度上升至150℃,应将火力调整至()℃,并做好记录。
A. 100
B. 120
C. 150
D. 180
在烘焙“哥斯达黎加”咖啡豆时,待到锅炉温度上升至130℃时,需要将风门刻度调整至(),并做好记录。
A. 7
B. 8
C. 9
D. 10
Operation & Maintenance is the process of modifying a software system ________, aiming to correct faults, improve performance or adapt to a changed environment.
A. before implementation
B. after delivery
C. during testing
D. after testing
Software requires periodic ________ to ensure it continues to run smoothly and reduce the occurrence of problems.
A. refreshment
B. fresh
C. refreshness
D. refreshes