词汇	精贍
释义	精贍 jīng shàn精深豐富。
随便看	back-to-back connection back-to-back converter station back-to-back converter substation back to back counter back-to-back counter back-to-back coupling back to back credit back-to back credit back-to-back credit back to back credit export first back-to-back credit export first back to back credit import first back-to-back credit import first back-to-back credit letters back-to-back cross section Back-to-back defeats made him sad back-to-back device back-to-back devices back to back diode back-to-back diode back to back diodes back-to-back directivity separation of antenna Back to back duplex bearing back-to-back duplex bearing back to back escrow