1)beveled end (BE),坡口端2)pipe end slope-mouth,管端坡口3)pipe end bevel,管端开坡口4)BE,端部打坡口5)pipe end facing machine,管端坡口机6)pipe end slope-mouth process,管端坡口加工
用法例句
At the present, processing pipe end slope-mouth with the original method is still poor quality, high costs, lower speed, inefficient, great labor intensive and control quality difficultly.
