题目内容

对车架油漆的要求,包括

A. 无露底及针孔
B. 漆膜厚度>20um
C. 漆膜外观无流挂
D. 无明显色差

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成型纵梁的主要技术要求正确的是

A. 长度偏差正公差不超过5mm
B. 幅面纵向直线度公差不超过全长的0.4%,每1米内的偏差不大于2mm
C. 翼面纵向直线度公差不超过全长的0.1%
D. 纵梁内侧圆角半径R的偏差为±2mm

从连接类型、预紧力等方面对比分析铆接与螺纹连接?

[音频]Audrey Hepburn was born in Brussels, Belgium, on May 4, 1929. Although she was the daughter of a Dutch baroness (女男爵) and a wealthy English banker, Audrey had a difficult childhood. Her parents ________ when she was young and Audrey went to live with her mother in the Netherlands. Soon after, the German army ________ Holland. During the Nazi occupation, her family faced starvation and Audrey ____________ severe anemia (贫血), and respiratory problems.

[音频]Audrey was sixteen when the occupation ended. She and her mother returned to London. Her big break came when the French novelist Colette __________ her in a crowd and insisted that Hepburn be cast as Gigi in a Broadway adaptation of her novel. In spite of Hepburn’s ____________, audiences and critics alike were captivated (迷住) by her performance.

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