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  xqj-c-3b上垂直等(deng)徑三通(tong)

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  xqj-dj-t-b-01型(xing)梯級式大跨距(ju)彙線橋(qiao)架

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  xqj-c-2d垂直(zhi)等徑左下(xia)彎(wan)通

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  xqj-c-3c下(xia)垂直等(deng)徑三(san)通

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  xqj-c-2c垂(chui)直等徑下彎通(tong)

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  xqj-c-3d上邊(bian)垂直(zhi)等徑(jing)三通

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  bhq-c-6b 型槽式異(yi)徑接頭

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  bhq-c-5c 型槽式(shi)垂直(zhi)左上(shang)彎通(tong)

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  bhq-c-5d 型槽式垂直左下彎(wan)通(tong)