单词	prevalves
释义	prevalves 单向进火阀
随便看	job control block job control card job control command job control communication job control facility job control file job control information job control I/O buffering job control job id job-control language job control language job control language generation job control language (jcl) job control language preprocessor job-control languages job control language simplification job control language statement job controller job control macro job control macro-order job control message job control message output job control number job control procedure job control program 雳雴雵零雷雸雹雺雽雾つり籠つり糸つり舟つり船つり輪つり込むつり針つり鉤つり銭つり鐘