preheat的意思和读音

preheat

: [ˌpriˈhit] : [ˌpriːˈhiːt]

v.使

preheats  preheating  preheated  

v.+n.preheat oven

v.cool

v.heat,heat up,warm,warm up,turn on

preheatv.

1.~ sth使to heat an oven to a particular temperature before you put food in it to cook

v.1.(,)

v.1.to heat an oven to a particular temperature before putting food into it to be cooked

1. 〖 expect;anticipate〗 preheat〖 antecedenttrial;preliminaryhearing〗 ...

2. pregnant 怀 preheat prehensile ...

3.3[(preheat)、(reflow)、(cooling)],, …

4. welder shielding helmet preheat electrode holder ...

5................9 4.2.4 (PREHEAT)..............................................................................

7.powerPREHEAT

:,使,,,

1.Energy can be recovered and returned as process make-up air, used to preheat combustion air, or used for plant or office heating.退

2.This phenomena can be reduced or eliminated by reducing the amount of preheat added to the board and a higher pot temperature.线

3.Please give the standards of the preheat before welding and those of the heat-treatment after welding.

4.Place the tile on the bottom rack in the oven, and preheat your oven while you make your dough and assemble the toppings.

5.Cooling is controlled by a balance between preheat and heat input for a particular plate thickness and joint configuration.

6.Another technique is to directly preheat fresh air drawn into a building.

7.Welding. Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature..

8.Preheat oven to 325 degrees F. Place a sheet of foil, large enough to loosely tent around salmon, on a baking pan.325

9.Used to preheat feedwater entering the boiler and to capture heat lost through boiler blowdown.

10.The formulations change required are new activator systems, which can sustain higher preheat and soldering temperatures .