| 释义 | 
             
                wever excavator
                
            overexploitationn. (对资源等的)过度开采,(对工人等的)过度剥削exaggerativeadj. 夸张的;夸大的
 电铲diàn chǎn 
 excavator打洞机dǎ dòng jī 
 excavator开凿机kāi záo jī 
 excavator开凿者kāi záo zhě 
 excavator迈步式挖掘机mài bù shì wā jué jī 
 walking excavator; walking dredge; walker; walking dragline excavator掘土机jué tǔ jī 
 excavator; power shovel朔挖掘机shuò wā jué jī 
 dragline; dragline excavator筑路用挖掘机zhù lù yòng wā jué jī 
 road excavator
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