短語(yǔ)詞組短語(yǔ)sprocket gear wheel [機(jī)]鏈輪sprocket -wheel 鏈輪noncircular sprocket band wheel 非圓鏈輪flexible sprocket -wheel pulverizer 撓性星輪碎土器bell shaped sprocket wheel 盃形鏈輪drive e sprocket wheel 傳動(dòng)鏈輪sprocket wheel cutter 鏈輪銑刀left travel sprocket wheel 左行駛鏈輪sprocket pin feed wheel 針形供紙鏈輪 返回 sprocket wheel