blockers阻断剂blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block input output块输入输出blocking principle归拔原理Block' s structuren.二胺blocked admittance分块导纳blocked sulfoleate封闭的磺化油酸盐block control unit块控制单元, 块控制区block wiring cable街区配线电缆blocking of speech言语中断blocking technique拦网技术block up ...堵塞 ...； 阻碍 ...； 垫高