... shovel bow 勺形船首 shovel crane 铲式起重机 shovel fork 铲斗 ...
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土方发掘可用任何发掘机举行，如单斗发掘机、拉铲发掘机、蛤壳式挖泥机、起重机和铲运机等。
Excavation may be done by any of several excavators, such as shovels, draglines, clamshells, cranes, and scrapers.
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