工区

1.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最大问题,一般都达20％～30％,影响成井质量。

2.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.

胡志明市出口加工区以惠免税待遇来吸引外商，然后却又宣布8%业税率。