| 摘要 |
Liquid spraying apparatus especially, but not exclusively for use in paint spraying operations, the apparatus comprising a conduit which has at one end a piston reciprocable by power-operated means and which is connected at its other end to a diaphragm pump, said pump being actuable by pressure applied to a column of liquid in said conduit by said piston, the diaphragm having a liquid inlet which is disposed adjacent to the pump and having an outlet which is connected to one end of a further conduit adapted at its other end to be connected to a spray gun.
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