一种是粘胶诱捕器，将粘性好、不易干的粘胶涂在硬纸板或塑料板上，有船形、三角形等，其使用利便，但用度较高。
One is the trap, will viscous viscose good, not easy to dry viscose coated in the cardboard or plastic board, a boat form, triangle, etc, its use and then, but higher degrees.
锅炉的燃烧器由船形改为水平浓淡形，空气预热器由回转式改为螺旋管式。
The burners of boiler A were revamped from boat type to horizontal condense dilute type, the air preheater revamped from rotary to scrolled.
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