Comments: a simple preventative maintenance program and good operating procedures can address and limit the disadvantages of this valve.
评论：一个简单的预防性的维护程序和良好的操作程序能够限制这种阀门的缺点。
Recommends to the Director of Engineer, new policies and procedures for a more economical operation and maintenance program.
向工程总监推荐新的政策和程序，制定更经济的运作和维修保养计划。
Thee Navy has begun a new pilot program to put tablets on board a destroyer in order to reduce paperwork and more efficiently streamline maintenance procedures, service officials said.
一位官员说，海军已经开始了一个新的试点项目，在驱逐舰上配备平板电脑，以减少文书工作和更有效地简化维护程序。 。
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