Hoʻokaʻawale ʻia nā uhi manhole hao i loko o nā uhi manhole ductile a me nā uhi manhole hina hina, ma ka ʻōlelo maʻamau, ʻo ke kaumaha like o nā uhi manhole ductile ma mua o ka uhi manhole hina hina.ʻO ka mea i hoʻohana ʻia no ka uhi manhole hao hina ma ke ʻano he HT200, a me ka mea ...
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