Fluid had gathered around her C-section and her blood pressure was very low.
医生们发现她的血压很低，同时剖腹产切口处有液体潴留。
Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.
川西须家河组2段气藏属于低渗低孔致密深层气藏，地层压力和破裂压力高。
The isotherm was devided into three different sections, at low pressure it is concave, at high pressure it is convex and the middle section it is nearly linear.
得到的吸附等温线分为三个不同区域：低压区等温线对压力轴呈凹形，高压区呈凸形，中间部分近似为直线。
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