短語(yǔ)詞組短語(yǔ)arm coal -cutter bar coal cutter 桿式截煤機(jī)chain coal -cutter 鏈?zhǔn)角忻簷C(jī)coal -cutter-loader 聯(lián)合截煤機(jī)arm m coal -cutter 桿式截煤機(jī)coal cutter -loader 聯(lián)合截煤機(jī)longwall -shortwall coal cutter 萬(wàn)能截煤機(jī)Screw -type coal cutter 螺旋式采煤機(jī) 返回 coal cutter