a shell with a spiral twist.
螺旋状贝壳。

Thus the economy would have completed the first round of an upward spiral of accelerating growth.
这样, 经济就完成了加速增长并向上循环得第一轮。

This is accomplished by machining a smaller spiral width.
这可以通过加工比小一点得螺旋宽来实现完成。

Researching and Manufacturing of Automatic Control Super Spiral Accumulation Storage
自动控制超级螺旋活套的研制

Horizontal spiral accumulator
卧式螺旋活套

Design and analysis of the vertical spiral accumulator
立式螺旋活套的设计分析

Research of Number Control Machine for Processing High Accuracy Spiral Spring of Many Radices
高精度多股螺旋弹簧数控加工机床设计

Probabilistic Design of Accuracy and Tip Easing Quantity of Spiral Bevel Gear Drive
螺旋锥齿轮传动精度和修形量的概率设计

Lead Accuracy Measurement of Smooth Rod SPiral Driving Mechanism and Analysis of It's Influencing Foctors
光杆螺旋传动机构的导程精度测试和影响因素分析

The accurate pattern of galactic spiral arms
旋涡星系旋臂的准确图样

Role of glutamate receptors in the spiral ganglion neuron damage induced by acoustic noise
谷氨酸受体在噪声所致豚鼠螺旋神经节细胞损伤中的作用

The application of spiral acquisition and black blood MR imaging technique in the diagnosis of dissection of aorta
螺旋采集和黑血技术在主动脉夹层扫描中的应用

Comparative study of the protective immunity activated by antigens of adult worms and muscle larvae of Trichinella spiralis
旋毛虫成虫抗原和肌幼虫抗原保护性免疫的比较研究

actively spiral variable trajectory
主动螺旋变轨

Isolation and activity determination of somatic cells from Trichinella spiralis Larvae
旋毛形线虫体细胞的分离及活性检测

But in actual applications, spiral bevel gears on rigs are often damaged.
但在实际应用中，钻机中弧齿圆锥齿轮常损坏。

Conclusion When the acute phase of T.spiralis infection, the immune function of host was inhibited.
讨论旋毛虫感染的急性期，小鼠出现免疫抑制现象。

Adapters for hexagon insert bits for use with spiral ratchet drivers
用于棘轮螺钉旋具的内六角插头的适配器

She stood by him as he spiralled into drug addiction.
她支持他当药物成瘾无法自拔时。

As he spiralled into drug addiction, she stood by him.
在他陷入药物上瘾时，她不离不弃。

Body is bow body and the Jin is emitted as an arrow, adhere and follow to lead the power in spiral.
身是弓身劲似箭, 粘随引进走螺旋。

Tension device for spiral taut, make it easy to adjust the chain.
拉紧装置为螺旋拉紧，使链条调整简单灵活。

Designed with spiral slide to stanch bleeding, can slightly adjust the compression pressure.
压迫止血采用螺旋滑块设计，可微调压迫压力。

Sensitivity analysis of adjustive parameter of machine tool for klingelnberg spiral bevel gear
摆线锥齿轮机床调整参数对啮合性能作用分析

Contrivance of Adjustable Spiral System of Stereoscopic Floriculture
可动式螺旋立体花架系统的设计