ball check valve block球形单向阀体
Parity Check Block区块
block check块检验;[计] 块校验;块;块核对
block check procedure块校验规程;块检验程序;块检查程序;方块检查程序
BCC Block Check Character块校验字符;字块检验字符
BCS Block Check Sequence块检验顺序;块校验序列
Boot Block Check启动代码块检查
Blue Streak Block Check大学生包