土坝平面图的定位基准是什么?What is the locating datum of the earth dam plan?
坝轴线dam axis
举一反三
内容
- 0
If a trapezoidal earth dam is built directly on the weak foundation, the reaction distribution of dam foundation is close to ( ). A: rectangle B: saddle-shaped C: trapezoid D: triangle
- 1
定位基准是指______________________________基准。
- 2
采用已加工过的表面作为定位基准的定位基准是______基准
- 3
工件以平面定位，定位基准是平面本身
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定位基准是在加工中用作定位的基准。()