reversing gear
(linguistics) Of or relating to a form of communication that is incidental to some practical activity, characterized by fragmentary utterances and more silence than a conversation.
(obsolete, chemistry) uronic
A mechanism used to control the direction of travel of a steam locomotive.
butan-1-ol or n-butanol or butyl alcohol - CH₃(CH₂)₃-OH / butan-2-ol or sec-butanol - CH₃CH₂CH(CH₃)-OH / 2-methyl-propan-1-ol or iso-butanol - (CH₃)₂CHCH₂-OH
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DiQt（ディクト）
無料
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