metering block 中文意思是什麼
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Qinghe oil production plant reconstructed the airtight gathering and transportation technology at southern metering block station in the northern oil field in 2004 and has obtained the tangible effects
清河採油廠2004年在北區油田南塊接轉站進行密閉集輸工藝改造,取得了明顯的效果。
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