关于excavator的百科

• excavator造句怎么写

• combinationexcavatorandhaulersinglebucketexcavatorTheapplicationofabrasionresistantbeadweldinginbucketteethofexcavator,shovelbucketofexcavatorandbucketteethofloaderwaspresented.Makingthemoirestonerockery?Therequiredmachines:crane,excavator,sling,shov...
• 2017-08-2825566