成凹的英文

foveation

• 成:    accomplish; succee ...
• 凹:    low-lying area; de ...
• 成凹的:    concavity

例句与用法

1. Poisonous snakes have hollow or grooved fangs for injecting venom
   毒蛇有中空或成凹槽的尖牙以射毒液。
2. Struction : the inside is hollow , but elastic , the diameter can change with the needed wire
   构造:号码管内部成凹型,具有弹性,内径能随著电线大小而伸缩
3. In sheet metal , drawing is a process of forming flat sheet metal into hollow shapes by means of a punch that causes the metal to flow into the die cavity
   在钣金中，制图的过程，就是将一个平钣金冲压成凹状，通过一个冲孔使金属流入型腔。