单词	甲壳质
释义	甲壳质 chitinchitosan
随便看	copper transporter Copper treatment copper triazole Copper trolley and contract wire copper tube copper tube billets copper-tube bus copper tubecopper pipe copper tube for air conditioner copper tube production line Copper-tube-roundness copper tubes copper wires Copper wires are highly conductive copper wire sieve copper wire tie copper-wolfram-molybdenum ore copper wood copper wool filter Copper woolly bat copper tubing Copper tubs and multilayer pipe copper tungstate coppertungsten copper tungsten