All Critical Operations will be under the control of a Permit to Work system authorized by the Site.
所有关键作业行为均必须处于现场授权作业许可证制度的控制之下。
All Critical Operations will be under the control of a Permit to Work system operated by the Site.
所有关键作业行为均必须处于现场作业许可证制度的控制之下。
They will often be applied and enforced by means of a formal Permit to Work system.
其中用得比较多的是一种正式制度是作业许可证制度。
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