Assertion: crested weir | /r/HasProperty | flat-crested structure
Facets:
value: with a long crest
type: OTHER
Source sentences:
text: A broad-crested weir is a flat-crested structure, where the water passes over a crest that covers much or all of the channel width.
text: A broad-crested weir is a flat-crested structure, with a long crest compared to the flow thickness.