Concave shape
常见例句
- The cloven hooves are sharp edged, elastic and concave.
蹄鋒利,呈凹形,富有彈性。 - This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
詳細介紹了用擴沖法對液壓脹形出現凹形的護環進行脩複的方法。 返回 Concave shape