腿部弯曲时，大腿的前部要有拉胀感。
Feel the stretch along the front of the thigh of the bent leg.
在做此动作时，小腿的中部要有拉胀感。
阐述了金属板料拉胀成形工艺研究的一些新进展。
This paper introduces the new development of sheet - metal forming, Which includes lap - sheet drawing, viscous pressure forming, multi - point forming and CNC expanding forming.
泪腺增大也可以出现，CT和MRI可能表现为“拉胀”，视神经尖端拥挤，眼上静脉扩张。
Lacrimal gland enlargement may be seen. CT and MRI may also show "stretching" and apical crowding of the optic nerve with an enlarged superior ophthalmic vein.
为了达到有效拉伸肌肉的目的，练习时动作不要过猛，感到有轻微的拉胀感即可——决不可有疼痛的感觉发生。
To stretch your muscles effectively, you should move gently into the stretch until you feel a slight pulling - but never pain.
分别比较了轴向压缩胀形和复合胀形中管件支管顶部双向拉应力、应变以及支管高度等指标的变化。
The variation of two-way tensile stress, strain distribution and branch height in the axial compressive bulging and compound bulging were compared respectively.
中空制品的吹型成型质量受各种工艺因素的影响，包括熔融温度、吹胀压力、拉仲速率、冷却时间、聚合物材料柱能等。
The quality of the hollow blow molding plastic products is affected by various process factors, such as melt temperature, inflation pressure, stretching rate, cooling time and polymer property, etc.
对三角形底盘筒形件的成形工艺进行了分析，决定采用弯曲、拉深、胀形复合模等进行复合成形。
As the shape technology of triangle chassis canister is analyzed, then the processes of bending, stretching and bulging compound mould are adopted to reunite the shape.
前者的受力情况类似于胀形，后者为母线方向拉应力作用下的辗压变形，该区起主要减薄壁厚的作用。
The former is similar to bulge, but the deforming mode of the latter is rolling in which the stress is tensile in generatrix direction and the wall thickness are mainly reduced in this zone.
采用新的加工工艺：如加工连杆采用胀断工艺，加工曲轴用车拉和高速外铣加工等。
Adopt the new processing technology, such as processing expansion break technology on connecting rod, crankshaft car pull and high-speed milling machining, etc.
采用新的加工工艺：如加工连杆采用胀断工艺，加工曲轴用车拉和高速外铣加工等。
Adopt the new processing technology, such as processing expansion break technology on connecting rod, crankshaft car pull and high-speed milling machining, etc.
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