blockout打草图blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block grind cleaning缸体磨削清理block retransmission程序块重发blocking oscillation间歇振荡Block-Steiger test[医] 布-斯二氏试验(检耳聋)block diagram system框图系统block up the passage阻塞通道blocked-in article模制品blocking contactless闭塞接触器, 间歇接触器blocked mark account封存马克帐户blocked call delayed阻塞呼叫延迟