Concave shape是什么意思 Concave shape怎么读
Concave shape的英文翻译是什么意思，词典释义与在线翻译
Noun:- a shape that curves or bends inward
Concave shape的用法和样例
- The cloven hooves are sharp edged, elastic and concave.
蹄锋利，呈凹形，富有弹性。 - This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。
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