Paipu ʻano kūikawā
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ʻO ke kila kila elliptic flat elliptic tube me ke ʻano o ka peʻa
Hoʻohana nui ʻia nā paipu i hoʻohana ʻia i nā ʻāpana like ʻole, nā mea hana a me nā ʻāpana mechanical. Ke hoʻohālikelike ʻia me ka puʻupuʻu poepoe, ʻoi aku ka nui o ka manawa o ka inertia a me ka modulus pauku ka nui o ka puʻupuʻu kūikawā, ʻoi aku ka nui o ke kuʻekuʻe ʻana a me ke kuʻekuʻe ʻana, hiki ke hoʻemi nui i ke kaumaha o ka hale, mālama i ke kila.