| 摘要 |
<p>The parts to be fettled are placed inside a double walled insulated tank, with a temp. sensor in one wall, and with two egg beater type paddles, one mounted on a hinged lid and with the radii of action of the paddles overlapping. Coolant, either gaseous or liquid, is circulated through the tank from an inlet near the floor to an outlet above it and through an external circuit with heat exchanger, blower and evaporator, etc.</p> |
