非常深刻的前向后一小车床进行鞍几乎镗表大小的T型槽交叉幻灯片装有“桥梁支架”在前面。
Unusually deep front to back for a small lathe the saddle carried an almost boring-table sized T-slotted cross slide fitted with a "bridge bracket" at the front.
分析指出，该飑线系统是由高空槽前型的上干下湿引起的不稳定强对流天气。
The squall line is a kind of instable and strong convective weather caused by the air with upper-layer dry and lower-layer wet in front of the upper-troposphere trough.
通过有限单元法计算和优化设计，确定锯片齿形前角、后角、楔角及槽底圆弧半径合理值的原则及其参考值。
Principles of reasonable values and reference data of saw tooth's rake, relief, wedge angles and radius of bottom arc can be determined through finite element method of calculation and optimum design.
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