Assertion: valve's structure | /r/HasProperty | simple
Facets:
value: very
type: DEGREE
Source sentences:
text: The ball valve has simple structure, relatively small size, light weight and easy maintenance.3.
text: Butterfly valves have simple structure and convenient manufacturing.
text: The structure of the butterfly valve is very simple.
text: We all know that the structure of the butterfly valve is very simple, and the size of the gate valve is larger than that of the butterfly valve, and its structure is more complicated than the butterfly valve.