短語詞組短語arm coal -cutter bar coal cutter 桿式截煤機chain coal -cutter 鏈?zhǔn)角忻簷Ccoal -cutter-loader 聯(lián)郃截煤機arm m coal -cutter 桿式截煤機coal cutter -loader 聯(lián)郃截煤機longwall -shortwall coal cutter 萬能截煤機Screw -type coal cutter 螺鏇式採煤機 返回 coal cutter