题目内容

无菌罐的大修周期是1500小时。

A. 正确
B. 错误

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阐述采用汽车吊起立电杆的方法?

A customer has a large UNIX environment and has engaged a pSeries technical specialist to work on a solution with them. Which of the following statements would best establish UNIX credibility with a knowledgeable customer?()

A. The technical support specialist has completed a UNIX course at college.
B. The technical specialist has supported several similar projects and has earned an IBM AIX certification.
C. The technical support specialist’s company sells $3M of UNIX computer systems every year.
D. The technical support specialist has sold and installed at least a dozen Apple and iSeries systems with POWER processors.

全能投掷项目比赛中运动员的试掷次数为()。

A. 3次
B. 4次
C. 5次
D. 6次

用铁盐作混凝剂时,pH值控制在(),水中残留的铁离子含量较小。

A. 4.0~4.5
B. 6.0~8.0
C. 9.0~10.5
D. 10~12

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