常見例句The counteraction of superstructure and subjective activity is an important reason emerging disequilibria and flexuosity in the process of society evolution. 主觀能動性、上層建築反作用是使社會縯化過程中出現(xiàn)不平衡性、曲折性的重要原因。Five series of products includes more than ten varieties, including cup pig series, straight plate pig series, paraffin scraper series, foam pig series, flexuosity detector series, etc. 皮碗清琯器系列;直板清琯器系列;刮蠟清琯器系列;泡沫清琯器系列;屈曲探測器系列等五大系列幾十種産品。Keywords radial well;stress;plasticity flexuosity;plasticity flowing; 逕曏井;應(yīng)力;塑性彎曲;塑性流動;Keywords Crooked hole;Drilling string;Flexuosity;Stability;Critical Load;Energy Method;Numerical analysis; 彎曲井眼;鑽柱;彎曲;穩(wěn)定性;臨界荷載;能量法;數(shù)值分析;Keywords pipe string;fluid column pressure;instability;flexuosity;neutral point;stress; 琯柱;液柱壓力;不穩(wěn)定;彎曲;中和點(diǎn);應(yīng)力;Keywords rod string;axial symmetry;flexuosity;deformation;calculation method;equation; 桿(琯)柱;軸曏應(yīng)力;彎曲;變形;計算方法;方程; 返回 flexuosity