A provincial stationary engineer licence, compressor operator or refrigeration certificate may be required when certain kinds of equipment are included in the process.
当某些类型的设备包含在该过程中时，可能需要省级固定工程师执照，压缩机运营商或制冷证书。
The control panel would come complete with a PLC control system and a touch screen operator interface for complete control of the compressor system.
与PLC控制系统的压缩机系统的完全控制和触摸屏的操作界面的控制面板来完成。
The working efficiency of leak-checking unit in the compressor assembly line is not high, and tiredness of operator is rather high, so the work study is needed to do for this unit.
某压缩机装配线中氦气检漏工位的工作效率不高，而且操作者疲劳度较大，改进的需求迫切。
If spraying application is carried out in a limited place like narrow booth, the operator must wear a ventilated mask with an air compressor for feeding filtrated fresh air.
如果喷涂施工是在狭小舱室内等有限空间进行时，必须佩戴通风面罩，以空压机不断送入经过滤处理的新鲜空气，以供操作者呼吸之用。
Therefore, it is to shut down axial fan conveyor motor and turn off power after finished products with freeze, as well as notify the operator at ammonia compressor and keep telephone records.
货将冻结完毕，关闭轴流风机及传送电机，切断电源。通知氨压缩机操作人员，并做好电话记录。
Therefore, it is to shut down axial fan conveyor motor and turn off power after finished products with freeze, as well as notify the operator at ammonia compressor and keep telephone records.
货将冻结完毕，关闭轴流风机及传送电机，切断电源。通知氨压缩机操作人员，并做好电话记录。
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