Three-diameter ells with tangents reducing extension piece 带切线直管段的三倍直径弯头
Reducing extension piece The diameter of connection soft and steel pipes should be as same as that of the equipment be connected. 异径内外螺纹管接头为使软管组合区配连接钢管的管径,应尽量与相连设备管径一致。
Reducing extension piece Note-threads connecting to microscope are male. 异径内外螺纹管接头注意:连接显微镜的螺栓是外螺纹。
The Simple Discusses About the Surface Protecting Way of the Stainless Steel to Form the Extension Piece 浅谈不锈钢拉深件成形时的表面保护方式
During the period of short circuit, the wire extension is approximate the distance from the welding torch to work piece, so that it can be used as the sensor for determining the height of welding torch, and for realizing the seam tracking. 短路期间的焊丝干伸长近似为焊炬至工件的距离,因此焊丝干伸长可作为确定焊炬高度的传感器,进而实现焊缝跟踪。
Studies on the Releasing of Juvenile Pomfret from the Large-mesh Extension Piece of Stow Net 疏目囊头张网释放幼鲳的研究