这些基本原理测试之变化，包括金属线拉力、锡接剪力、撞击剪力、锡球拉力、 旋拉 ( stud-pull )、以及晶粒剪力测试。典型的测试规范系依据已制定的工业标准(诸如Mil-STD 883d、Mil-STD 750c、及ASTM 1269)，这些规范包括10Kg...
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圆柱螺旋拉伸弹簧 cylindroid helical-coil extension spring ; cylindrical helical tension spring ; coil extension spring
螺旋拉紧装置 screw take-up ; screw take-up device ; spindle take-up device
直拉螺旋拉刀 straight thread gear broach
螺旋拉伸弹簧 helical tension spring
螺旋拉刀 spiral broach
数控深孔螺旋拉床 NC deep hole helical broacher
螺旋拉紧装配 screw take-up
螺旋拉条螺栓 screw stay bolt
尾轮螺旋拉紧装置 tail-pulleyscrewtake-up
我坐了一会儿，看着在转角处打旋的流水，然后抬头望着柱子上的海明威像——老态龙钟、胡子拉碴、头发稀少。
I sit for a while and watch the stream swirl around a corner, then look up at Hemingway's image on the column-old, bearded and balding.
为了节省材料和提高生产率，采用劈开式旋压工艺将拉深的毛坯旋压成汽车发动机用V型或多模式皮带轮。
In order to save materials and promote the productivity, the cleavage spinning technology is adopted to the formation of V-type or multiple moulding sheave of auto engine.
分析了后减震器帽的成形工艺，介绍了成形该零件的拉深模、翻边模以及旋压模具结构。
The forming technology of rear shock absorber cap is analyzed, and its drawing die, flanging die and spinning die structure are also introduced.
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