chain boiler的用法和样例：
例句
- The layer burning industrial boilers discussed in this paper are mainly small and middle boilers which use chain grate as their burning device.
本文所讲的层燃式锅炉，主要是以链条炉排作为其燃烧装置的中小型锅炉。 - Through introducing advanced technology and combining Chinese idiographic practical circumstances, consummate chain grate stoker designation.
通过引进先进的技术，结合我国具体的实际情况，完善链条炉排设计。
