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вертикальный литник强调
冶金 downpole (Darkwing duck); sprue
技术 hole through which metal or other material is poured or forced into a mold (MichaelBurov); ingate; downgate; downsprue
牙科 sprue hole (MichaelBurov)
马卡罗夫 downgate (стояк); downsprue (стояк)