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preheat造句
61. PCBs are transported by a conveyor system over the preheat, solder and cooling stations. 62. Preheat skillet, add oil. Bring to a boil over strong heat. Whisk eggs again. Hold mixing bowl over skillet and let the egg mixture trickle in, forming crisp droplets. 63. The effects of different process parameters such as laser power, scanning speed, preheat temperature, powder-bed depth on the sintered quality were studied systematically. 64. Preheat the oven to 220 c . Mix water and sugar well to form the solution. 65. It is convenient to preheat the coal gas and combustion - supporting air to the 1000℃. 66. The maximum preheat and interpass temperature for carbon steel and low-alloy steel shall be 600F (315C).