![hoists造句怎么写]( "hoists造句怎么写")
- ThismachineiscalledKitochainhoists.MDItypeelectrichoistshavefastandslowliftingspeedswhichmakeitliftsteadilyandaccurately.Computercontrolledhoistsarewidelyusedformaterialconveyingintheadvancedproductionsystem.Minehoistsareusuallyoperatedbythecounterba...
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