DictionaryForumContacts

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backacter ['bækæktə] n
archit. 开挖机
bridg.constr. 反铲; 反铲式挖土机
hydroel.st. 反铲挖土机
tech. 倒铲; 反向铲
backacter
: 8 phrases in 3 subjects
Oil / petroleum1
Technology6
Transport1