New US regulations, CFR Part 195 Section 195.452, require that special integrity assessments be made to address potential seam-defect problems in low-frequency, electric-resistance-welded (ERW) pipe ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果