West Indian dance in which the dancers keep bending over backward and passing under a pole that is lowered slightly each time.
林波舞一种西印度群岛的舞蹈，舞者须向后仰并穿过一支水平杆，每次都要比前一次仰得更低。
Based on the stress performance of steel pole of transmission line, the steel pole is simplified as a matter of cross bending and torque with variable sections and complex loads.
根据输电线路钢管杆的受力特点，将钢管杆简化成受复杂载荷作用的变截面梁的纵横弯曲和扭转问题，并采用传递矩阵方法进行分析求解。
Double piston pole supplies high anti-bending and anti-torsion, which can ensure the service life and excellent guiding performance of cylinder.
双活塞杆提供了高度的抗弯曲和扭转刚性，保证了气缸的使用寿命和卓越的导向性能。
Double piston pole supplies high anti-bending and anti-torsion, which can ensure the service life and excellent guiding performance of cylinder.
双活塞杆提供了高度的抗弯曲和扭转刚性，保证了气缸的使用寿命和卓越的导向性能。
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