screw stem pump 螺杆泵
Inside screw stem stop valve 下螺纹阀杆截止阀
IS inside screw stem 内螺纹阀杆
centering screw stem 对中螺杆
Metering screw stem glass devices can be optional in this machine according to different materials.
该机据不同物料可选配螺杆或量杯计量装置。
Metering screw stem or glass devices can be optional in this machine according to different materials.
该机据不同物料可选配螺杆或量杯计量装置。
A new type screw stem welder with capacitance stored energy welding, being high efficiency and used to the production for the pipe with stems outside is introduced.
介绍了为适应钉头管生产而开发研制的新型高效电容储能螺柱焊机。
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