boiler feed

例句：

1. 1. The new boiler requires a special type of fuel to operate efficiently.
   新锅炉需要一种特殊的燃料来高效运行。
2. 2. The engineers were tasked with ensuring the boiler feed was properly mixed before the start of the process.
   工程师们被指派确保在工艺开始前，锅炉燃料混合得当。
3. 3. The manufacturer's website advertises its boiler feed as being environmentally friendly and energy-efficient.
   制造商的网站宣传其锅炉燃料环保且节能。