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-design test积木构图测验
block mould process整体熔模铸造法
blocking of thought思想阻滞
block-in-course成层砌石块体
block plaid blanket块形长方格毡
block of glass wool玻璃棉板
blocking layer cell阻挡层电池
blocked gird keying栅截止键控
blocked core-tube堵塞芯管
blocking water loss堵漏