鞍形彎面 的英文怎麼說

中文拼音 [ānxíngwānmiàn]
鞍形彎面 英文
anticlastic bending
  • : 名詞(放在牲口背上馱運東西或供人騎坐的器具) saddle; sella
  • : Ⅰ形容詞(彎曲) curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 (使彎曲) curved; bend; flex 2 ...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. When f is about fr, for curved pipes, the secondary flow appears eight vortexes for annular cross section and four for circular and four or six for elliptical ; for helical pipe, the secondary flow appears as a loop flow for annular and circular cross section, and a saddle flow for elliptical cross section

    當f在fr左右時,對于管,環上存在八個渦,圓截上存在四個渦,橢圓截上存在四個或六個渦;對于螺旋管,圓截和環上二次流表現為環流,橢圓截上表現為流。
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