纵向缝 [木] longitudinal seam
- 必须缝好外层所有纵向间隔缝底部边线的镶边,以免镶边脱落。
BOTTOM hem facings must be fixed at All vertical dividing seams of outer shell to avoid falling down . - 本文介绍银古三标黄河特大桥EMR脂化合物纵向伸缩缝的施工技术。
This paper introduces the construction technique of longitudinal expansion joint of EMR epoxy resin in Huanghe Bridge on Yingu expressway. - 过滤器之纵向和周围焊接缝是染色探伤检查,其它将以X-射线和/或超音波检查。
Longitudinal and circumferential weld seams are PL inspected for class150#, for other classes will be inspected with X-Rays and/ or US.
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