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中俄東線(xiàn)天然氣管道工程跨河北灤河段加緊建設
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2020-06-05 10:45
來(lái)源：新華社
6月4日，工人在河北省灤州市油榨鎮境內的灤河河床上進(jìn)行中俄東線(xiàn)天然氣管道工程（長(cháng)嶺-永清）第八標段施工（無(wú)人機照片）。新華社記者楊世堯攝
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