Assertion: valve's diameter | /r/HasProperty | the communicating bore(s21 b
Facets:
Source sentences:
text: Further, a diameter of a part of the side wall surface portion 8 a, i.e., a part which does not radially correspond to the communicating bore(s) 21 b, is arranged to be smaller than a diameter of a part of the side wall surface portion 8 a at which the cut out portion 8 b is formed.