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http://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pngHaving recently completed training on the safety management of special equipment, I understand that only by having a thorough knowledge of relevant principles can one better manage production processes. Since June, we have been holding a daily quiz on knowledge related to the safety management of special equipment, and we invite all members of the community to participate actively. Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Multiple-choice question: For boilers that have been out of use for a long time, it is advisable to use ( ). A. Pressure maintenance B. Wet maintenance C. Dry maintenance D. Inflation maintenance CD http://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/2.gif http://bbs.hcbbs.com/static/image/hrline/2.gif 【Production and Management Section】Seeking moderators and technical discussants to join us 【Haichuan Public Welfare】Large-scale environmental protection photo-sharing event themed “Sharing the Same Blue Sky”! 【Safety Activities】Event to share advanced on-site management experiences 【Task-based reward: 3000 wealth points】Original] Organize and format the content of the dashboard posts 【Task-based reward: 5000 wealth points】Original] Organize and summarize the content of the control panel posts ---------Seeking partners for prime advertising spots for Kaikawa’s community service activities-------
C Dry maintenance D Inflation maintenance
A Pressure maintenance C Dry method maintenance D Inflation maintenance