Maintenance means to control the timing of equipment maintenance.That is to say, the timing of maintenance is achieved through the use of different maintenance methods.Currently, there are three maintenance methods, which are: A: Periodic maintenance B: On-condition maintenance C: Random maintenance D: Breakdown Maintenance

Which of the following maintenance is to improve the performance of the software product? A: perfective maintenance B: adaptive maintenance C: corrective maintenance D: none of the above

Accident-based maintenance leads to high maintenance costs.

All maintenance workers must be skilled in a variety ______maintenance tasks, A: of B: from

以发展顺序来看，以下对TPM排序正确的是：（）。   ①PvM（预防保养，Preventive Maintenance）  ②B.M（事后保养，Break-down Maintenance）  ③P.M（生产保养，Productive Maintenance）  ④PdM（预知保养，Predictive Maintenance）   ⑤M.P（保养预防，Maintenance Prevention）    ⑥TPM（全面生产经营系统，Total Productive Management system）  ⑦TPM（全员生产保养，Total Productive Maintenance）   ⑧C.M（改良保养，Corrective Maintenance） A:  ②①③⑧⑤⑦④⑥ B:  ①②③⑤⑦④⑥⑧ C:  ④⑥①②⑦⑧③⑤ D:  ⑥①④②⑦⑤⑧③

‎Which of the following statement about maintenance are not true? ‍‎以下哪个关于维护的叙述不正确？‍‎‍ A: Maintenance programmers should have superb diagnostic ability. B: Maintenance programmers should have superb communication ability. C: Maintenance programmers should have superb cheating ability. D: Maintenance programmers should have superb testing ability.

Which of the following statement about maintenance are not true?‍‍ A: Only the best programmers can be qualified for software maintenance. B: Maintenance is so hard, we should assign the job to the best programmers. C: Maintenance is a most thankless task. D: Most programmers are happy with maintenance job.

Component Maintenance Manual______

1. Who are not in charge of the maintenance of the aircraft? A: Pilots B: Avionic engineer C: Mechanics D: Maintenance technicians

•The maintenance store location and ________________ are on the warranty card.