bulk boiling

例句：

1. 1. During the initial stages of the process, we need to ensure that the bulk material is thoroughly heated before being processed.
   在工艺的初始阶段，我们需要确保将大量材料充分加热后再进行加工。
2. 2. In this method, large quantities of water are boiled at high temperatures for a long period of time, whichcan effectively remove impurities from the raw materials.
   这种方法中，大量的水在高温下长时间煮沸，可以有效地从原材料中去除杂质。
3. 3. Bulk boiling is often used in industrial processes to achieve high-efficiency heat transfer and energy saving.
   在工业过程中，大量沸腾通常用于实现高效的热传递和节能。