一般游梁式抽油系统的总效率应为50%左右，若低于此应提高其性能。
General beam pumping system should be the overall efficiency of about 50% if less than this should improve its performance.
板及扁梁加固中碳纤维布的用量应适中，若碳纤维布用量过多，则会由于强度利用率低、结构变形过大而破坏。
If more sheet is used, there may be a wastage of strength and the structure may be damaged by greater deformation. Ev…
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