环缝焊接 meaning in Chinese

circular seam welding
circumferential welding
girth welding/ circumferential

Girth welding circumferential
环缝焊接
Standard practice for mechanized ultrasonic examination of girth welds using zonal discrimination with focused search units
用与聚焦探寻装置的带状差别进行环缝焊接的机械超声检验的标准操作规程
Abstract : the principle and characteristic of structure of dn63 automtic girth welding machine for motorcycle damper are introduced . the welding machine is practical
文摘:介绍了dn63摩托车减震器环缝焊接自动焊机的原理及结构特点，由于结构简单、使用方便、具有一定的实用性。