The Lung Mun I robot shovels the silt built-up in a box culvert, so that the lifting device on the shaft can carry the silt to the ground level for disposal.
The Lung Mun I robot shovels the silt built-up in a box culvert, so that the lifting device on the shaft can carry the silt to the ground level for disposal.
The Lung Mun I robot shovels the silt built-up in a box culvert, so that the lifting device on the shaft can carry the silt to the ground level for disposal.
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