longitudinal seam

基本解釋

Because of the much thick wall of large capacity boiler drum, the pressed and weld longitudinal seam is used to manufacture the drum shell ring.
由于大容量電站鍋爐汽包的壁較厚，所以在汽包筒節(jié)制造時常采用壓制成兩個半圓瓦片再焊接而成的方法。
Type ZH\360 longitudinal seam welder is exclusively used for longitudinal seam welding on flat plates, cylinders, opened boxes of weldable metals.
縱縫焊接機專用于可焊接金屬的平板、圓筒、開口箱體等工件的縱縫焊接。
Like the princess line and back line, so in the longitudinal seam for easy to break into shape, but also easy to build like shape and stereo feeling.
像公主線和刀背線，這樣在縱向放入的破縫線易于適合體型，也易于造出喜歡的形狀和立體感。