The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
井径扩大率超标是鄂北工区井身质量存在的最大问题,一般都达到20%~30%,严重影响成井质量。
The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
井径扩大率超标是鄂北工区井身质量存在的最大问题,一般都达到20%~30%,严重影响成井质量。
Ho Chi Minh City's Export Processing Zone Authority lured foreign companies on the basis of preferred taxfree status and then announced an 8% business tax.
市的出口加工区以惠的免税待遇来吸,然后却又宣布8%的企业税率。
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