长垣南部油田下部扶余油层的开发尚处于试验阶段。
Development of lower part of Fuyu reservoirs in southern Placanticline is in testing stage.
古2 0 4井是长垣以西地区的第一口地热试水井。
Gu204 well is the first thermal water well at west district of ChangYuan.
海岭、海台呈块状分布在海盆之上，长垣分布在菲律宾海沟的东侧。
Some uplifts developed at the bottom and long hills developed at the east side of the Philippine Trench.
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