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bottom roller

基本解釋下滾輪[支重輪，導輪]

網(wǎng)絡釋義

1)bottom roller,下滾輪[支重輪，導輪]2)bogie roller assembly,支重輪滾輪總成3)ejector roller,推卸器支重[滾]輪4)load roller screw,支重滾輪螺釘5)elevator idler roller,鏈耙[起重機]引導輪滾輪6)roller guide,roller track,滾輪導軌