Electric heater, screw elements, barrel, Mandrel series of production, living in the same industry-leading level of domestic.
电加热器、螺纹元件、机筒、芯轴系列产品的生产，居于国内同行业的领先水平。
2
This detection technology means a lot in the practical online testing of the production of the insulating barrel in solar water heater.
比较分析了两种热像仪图像的特点，对实现太阳能热水器保温桶的在线检测具有实际意义。
3
An efficient barrel cooling system is important to control the tendency for mechanical shear heat developed in the melt to override the electrical heater controls.