普通螺旋線 的英文怎麼說
中文拼音 [pǔtōngluóxuánxiàn]
普通螺旋線
英文
circular helix- 普 : Ⅰ形容詞(普遍; 全面) general; universal Ⅱ名詞(姓氏) a surname
- 通 : 通量詞(用於動作)
- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 普通 : common; general; ordinary; plain; honest; private; trile; average
- 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
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Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water
其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使螺旋槳尾流的折射水量增強,進而增大了水動力的作用,使之比普通流線形舵的升力提高30左右。Shipbuilding. shaft lines. ordinary and cap propeller nuts with 4 lugs
造船工業.軸線.螺旋槳用普通螺母和帶四個突耳的蓋形薄螺母
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