| 释义 | 
             
                compactor ro
                
            compactorn. 〈美〉垃圾捣碎机,压土机,夯土机comparatorn. 比较仪, 比较器compactionn. 压紧,紧束的状态compactnessn. 致密性;密度;小巧;紧凑compensatoryadj. 补偿性的
 压土机yā tǔ jī 
 compactor垃圾捣碎机lā jī dǎo suì jī 
 compactor夯土机bèn tǔ jī 
 rammer; tamper; earth rammer; rammer compactor
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