oilwell n. 油井
- National Oilwell Norway AS is a wholly owned subsidiary of National Oilwell Varco Ltd.
本公司是一家全额国有石油矿产企业。 - The rheology of oilwell cement slurry is the key factor to the slurry for formulation designing and safe cementing.
油井水泥浆的流变性是水泥浆配方设计的核心及安全施工的前提。 - As a multinational company, National Oilwell Varco has more than 575 locations and 25,000 employees all over the world.
作为一家跨国公司,国民油井华高在全球有575家分支机构及25000名员工。
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