shooting-in piece是什么意思

网络释义

1)shooting-in piece,直角堵漏垫2)lowering line,堵漏垫上角索3)collision mat,堵漏网垫4)emergency mat,应急堵漏垫5)fothering sail,堵漏帆布垫6)jubilee pipe patch,管子堵漏垫紧固箍