silver steel
plural of balaenopteroid
plural of dog door
An alloy of steel with a very small proportion of silver. / Common tool steel supplied as a centerless ground round bar (with tolerances similar to that of drill rod).
(technical diving, saturation diving, underwater diving) An electronic device that lowers the pitch of speech, to compensate for the high-pitched speech of someone breathing in a helium atmosphere ...
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DiQt（ディクト）
無料
★★★★★★★★★★
