预热

Can you preheat the oven for me?

你能帮我预热烤箱吗？

Although the total calorific value of oxypropane flame is higher than that of oxyacetylene flame, its first calorific value is lower,so its burning temperature is lower and its heating time is longer.

氧丙烷焰比氧乙炔焰的总热值高，但一次热值低，因此燃烧温度低，预热时间较长。

Preheat oven to 325 degrees F (170 degrees C) and line two baking sheets with parchment paper.

预热烤箱到325华氏度（ 170摄氏度）和行两个烘烤床单与羊皮纸文件。

Butter and line a 9 inch (23 cm) springform pan with parchment paper.

预热烤箱到375华氏度（ 190摄氏度）和地点在机架中心烤箱。

Make meringues: Preheat oven to 175°F and line 2 large baking sheets with parchment paper.

制作蛋白糖：将烤炉预热到华氏175度，并垫上2大张烘焙纸和羊皮纸。

Heat oven to 350°F. Cover 2 large baking sheets with parchment paper.

预热烤箱至华氏350°在烤盘底部盖上2大张烘焙用纸。

The heating furnace adopt with chain conveyer type furnace that it's frame like beer pasteurism sterilizer .

预热炉采用类似啤酒杀菌机的链式炉结构，这种结构相比均热炉型结构的优点是

The article studied on processing technology of tomato beverage using tomato as material, they did experiment aim to increase juice yield , stability of the beverge and to keep colour. The results indicated juice yield is able to reach 81.5% after preheating, adding pectase , pressure filtering, the processing technology improved the utilization of tomato.

以番茄为原料进行饮料的加工，针对提高番茄出汁率、饮料稳定性、饮料色泽的保持工艺研究实验，结果发现，对番茄预热后，再加果胶酶处理、加压过滤工艺可使番茄的出汁率达到81.5%，提高了番茄的利用率；番茄饮料中添加2‰，质量比5：2：3的羧甲基纤维素钠、黄原胶、琼脂复配增稠剂可使饮料在常温保存三个月仍具有良好的稳定性。

In order to improve the penetrability of sintering feed, the steam was used for preheating sintering feed.

为改善料层透气性，利用蒸汽对烧结混合料进行预热。

After a glass plate is preheated, the glass plate is heated to the transition temperature of the glass.

玻璃板预热后，将该玻璃板加热至玻璃的转变温度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。