bottom discharge bucket

bucke... ... bell-hole bucket 钟式穴坑挖掘铲斗 bottom discharge bucket 底卸式吊桶, 底部卸料斗 bottom-dump bucket 底卸铲斗 ...

矿业工程... ... bottom cutting 底部截槽 bottom discharge bucket 底卸式铲斗 bottom discharge skip 底卸式箕斗 ...