Control over oil loss should penetrate into every operation step.
加油站油料损耗控制应贯穿进、销、存过程中的每一个环节。
Operator's training score was divided into: Operation quality score, operation step score, accident management score and teacher's impression score.
该方法将操作工培训成绩分为：操作质量分、操作步骤分、事故处理分和教师印象分；
The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue method, it have merits of simple operation step and little dosage.
介绍了水中阴离子表面活性剂测定新方法，该法与亚甲蓝法比较，具有操作步骤简单，萃取剂用量少的优点。
Signal gathering encoder, PLC control, touching screen operation, step electric drive, simple operation and precise labeling.
PLC可编程控制，配触摸屏操作，步进电机驱动，操作简单，贴标精确。
Signal gathering encoder, PLC control, touching screen operation, step electric drive, simple operation and precise labeling.
PLC可编程控制，配触摸屏操作，步进电机驱动，操作简单，贴标精确。
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