TROUGHS
【建筑】船提升设备的水槽
TROUGHS of ship-lifting devices
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相关词条
conveying of bulk materials through troughs, pipes by means of gas, liquid
conveying of bulk materials through troughs by means of gas, liquid
animal feeding TROUGHS
conveyer belt in troughs
TROUGHS for window boxes
in floating material troughs
conveying of bulk materials through troughs, pipes by means of liquid