短語(yǔ)詞組短語(yǔ)Providable inner -perimeter 可供規(guī)格內(nèi)周長(zhǎng)長(zhǎng)度Measuring Inner Perimeter 內(nèi)周測(cè)長(zhǎng)儀convergence of tunnel inner perimeter 洞周位移 返回 inner perimeter