Methods: to operate the or through several aspects in relation to person, environment, operation, the idea and attitude of medical staff, the clean effects were monitored regularly and periodically.

方法：通过人员、环境、运行和工作人员理念和工作态度等几方面对洁净手术室实施管理，对手术间洁净效果进行定期监测。

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With a clean environment, DAT is away from pollution sources such as oil, coal, bulk grain and slag, which leads to its excellent operation conditions.

码头环境清洁，远离油品、煤炭、散粮、矿粉等污染源，作业环境优良。

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Adopt full sealed structure. It is effective to protect cross infection between material and air. The operation environment is clean.

采用全封闭式的结构，有效的防止了物料与空气交叉感染，作业环境清洁。

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According to Pascal Luciani, the technical adviser to the French Environment Minister, results are encouraging but could have been achieved earlier if the clean-up operation had not been hindered by the bombing.

CNN: Lebanon counts the cost of conflict