structural integrity
【结构完整性】
According to Distractify, the concave circle on the side of a milk jug provides structural integrity.
根据Distractify说法，牛奶罐侧面的凹圆提供了结构上的完整。According to Distractify, the concave circle on the side of a milk jug provides structural integrity.
根据Distractify说法，牛奶罐侧面的凹圆提供了结构上的完整。