并用改变构件局部截面尺寸法，对构件锈蚀引起的结构强度变化作了简单的探讨。
And the effect of corrosion on structural strength is discussed in brief by changing section thickness.
航空工业上采用的以成形法成形半蜂窝波形条的方式，成形的波形条结构均匀、精度高、工艺简单。
In the aviation industry forms half honeycomb profile strip by the forming, the formed profile strip structure even, the precision high, the craft is simple.
该仪器结构简单，具有多种功能，可进行回转或冲击回转钻进法的可钻性测试及钻进规程的模拟，也可用来测试岩石研磨性。
This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.
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