The production procedure include design, wooden work, machine carving, oil painting, gold pressing, coloured drawing, packing and marketing.
设计、木工项目分类、机械雕刻、油漆、按金、彩绘、包装、销售服务等各生产程序组成。
The paper introduces a transformation by PLC and frequency-changer in the light of current lashing problem of drawing-oil tube cleaning machine in oil field enterprises.
本文针对油田企业中抽油管清污机中存在的冲击问题，用PLC、变频器等对其控制进行了改造。
The saving energy control system is proposed for problem of oil drawing machine electric driver which efficiency and power factor is low.
针对抽油机电驱动装置效率和功率因数低、耗能严重的问题，研制了一台新型的抽油机节能控制系统。
This paper introduces the raw materials, formulation, preparative course and application method about PVA protective film in the range hood of household oil-smoke drawing machine.
介绍了家用抽油烟机油污防护膜的原料、配方、制备过程和使用方法。
This paper introduces the raw materials, formulation, preparative course and application method about PVA protective film in the range hood of household oil-smoke drawing machine.
介绍了家用抽油烟机油污防护膜的原料、配方、制备过程和使用方法。
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