Internal surface of bend

• 弯管内表面

Internal surface of bend的用法和样例：

例句

1. In a hot climate the condensation will be on the inner surface of the insulator.
   在气候炎热时，凝结水将出现在隔热层的内表面。
2. The internal surfaces of prosthesis were smooth and glossy with white tunica mucosa covered.
   管腔内表面光滑，表面有一层白色的黏膜覆盖。