Blockain盐酸丙氧卡因制剂的商品名blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block-schollen movement大块运动block-completed counter已结束信号块计数器block insertion technique块插入技术blocking layer photo cell阻挡层光电池block-oriented compiler面向程序块的编译程序block signal interlocking与闭塞制结合的联锁法block compare instruction块比较指令block parity check system字组奇偶校验方式blockless echo suppressor无阻塞回音抑制器block type heat exchanger[化] 块式换热器