weathering layer 风化层 ; 低速层
weathering layer velocity 风化层速度
velocity weathering layer 低速风化层
weathering layer thickness 低速层厚度
completely weathering layer 全风化层
Weathering stone layer stands tall and upright on the desert just like a castle, which is rare natural sight on the world.
风化石层城堡般矗立在茫茫戈壁，是世界少有的自然景观。
The weathering crust of REE granites in southern China can be divided into humic layer, completely weathering layer and partly weathering layer.
华南稀土花岗岩风化壳主要可分为腐植层、全风化层和半风化层。
The reservoir type is Ordovician weathering crust in the Lower Paleozoic, and the main gas layer is in the fifth member of Majiagou Formation.
储集层类型为下古生界奥陶系古风化壳型，其主力含气层为马家沟组第五段。
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