1) coiled coil
叠螺旋
2) overlapping propellers
叠叶螺旋桨
3) overlapping propeller
交叠螺旋桨
4) double spiral moiré fringes
双螺旋叠栅条纹
1.
The basic principle to check light beam collimation with double spiral moiré fringes is illustrated,and the relationship of the characteristic parameters of double spiral moiré fringes and the angle of divergence,i.
介绍双螺旋叠栅条纹检测光束准直性的基本原理,进一步就双螺旋叠栅条纹的特征参量与被测光束发散角(即光束准直精度)的关系进行分析和推导。
5) screw
[英][skru:] [美][skru]
螺旋
1.
Development and application of horizontal screw type mine car cleaner;
卧式螺旋清车机的研制与应用
2.
Refitting of Large Diameter Roller Screw Lathe;
大直径卷筒螺旋车床的改造
3.
The Manufacturing Technique of the Screw Component;
进口螺旋国产部件的加工工艺
6) spiral
[英]['spaɪrəl] [美]['spaɪrəl]
螺旋
1.
Experimental research on automatic fouling removal capability of hydro-dynamic spiral;
流体动力螺旋自动清洗除盐能力模拟试验研究
2.
Mathematical Model and Moulding Design of Spiral Blades in Taper Pre - mixer of Flour;
锥型面粉预混合机螺旋叶片的数学模型及造型设计
3.
Experimental reaserch on the spiral inserts of fouling preventing inheating tubes of evaporators;
蒸发器加热管内螺旋防垢保洁试验研究
补充资料：青黄釉条纹双系罐
上海博物馆收藏，敛口、低领、圆肩、扁圆腹，对称双系，这是战国时期双系罐的典型特征，为断代工作带来便利。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条