Produced biennially by the staff of Hydrocarbon Processing magazine, this handbook-type industry reference source, now on CD-ROM, contains more flow diagrams and descriptions then ever before.
由烃的人员(处理杂志)两年一次生产，这个手册类型工业参考消息，现下在CD - ROM上，那么以往任何时候包含更多的流程图和说明。
Follow the parent On-Duty Handbook to perform parent on - duty work as arranged by the School staff or PTA.
按家长会的安排，根据家长值日手册按时做好家长值日工作。
Follow the parent On-Duty Handbook to perform parent on - duty work as arranged by the School staff or PTA.
按家长会的安排，根据家长值日手册按时做好家长值日工作。
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