Assertion: radial tire's cord | /r/ObjectUse | used in the belt ply layer
Facets:
Source sentences:
text: In the radial tire, a twisted cord obtained by twisting 4 or 5 filaments each having a diameter of about 0.20 mm ~ 0.30 mm and represented by 1x4 or 1x5, a twisted cord obtained by twisting 7 filaments around 2 filaments and represented by 2+7, and the like are used in the belt ply layer.