单词	channel base
释义	channel base 电路底座
随便看	random sequences random sequencing random sequential access random-sequential access random sequential automation random sequential memory random-sequential memory random series random service random service system random servicing random serving system theory random set random-set Random sets random set theory random setting Random setup error random set-valued a-proper mappings random set-valued mapping random shaft random shape Random shape and common button random shape and size random-shaped stone