ʻO ka manaʻo a me ka loina o ka waʻa graphite Ke ʻano o ka waʻa graphite: ʻO ka ipu waʻa graphite he mold groove, e komo ana i ka plurality o W-like two-way inclined grooves me nā ʻaoʻao ʻelua e kū pono ana a me nā protrusions kākoʻo lalo, kahi ʻili lalo, kahi hopena luna. he alo, he ili o loko,...
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