early-type spiral 早型旋涡星系
W type spiral wound gasket W型缠绕垫片
late-type spiral galaxy 晚型旋涡星系
full spiral type spiral case 全包型蜗壳
screw-type spiral seal 螺杆式螺旋密封
full-spiral type spiral case 全包型蜗壳
newel type spiral stair case 有中柱的盘旋扶梯
screw-sleeve type spiral seal 螺套式螺旋密封
Horizontal-type spiral 卧螺离心脱水机
The New Type Spiral Bevel Gear with Non-Zero-Modification is an invention.
非零传动曲齿银齿轮是一种发明。
So that the seal was changed for non-contacted type spiral slot mechanical seal.
为此，改为非接触式螺旋槽机械密封。
By using a six-layer model, the stabilities of MD type spiral sector transition region in the interplanetary magnetic field are discussed.
本文采用六层模式，讨论了MD型行星际磁场螺旋扇形过渡区的稳定性。
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