资料来源 : pyDict

拔木栓,除去木栓以打开或松开,解除管制

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Unpeg \Un*peg"\, v. t. [1st pref. un- + peg.]
   To remove a peg or pegs from; to unfasten; to open. --Shak.