high speed steel
Archaic form of assegai.
(metallurgy) A kind of tool steel, invented in the early 20th century, which retains its hardness and temper at high temperatures (at which previous kinds of tool steel would soften), thus allowing cutters made from it to be employed at higher cutting speeds than were previously practical.
plural of right triangle
(informal) Having the quality of a diphthong.
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DiQt（ディクト）
無料
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