back view短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 背视图,背面立视图,后视图 Mechanical and chemical examinations were conducted on three types of tube blank for making back view mirror stands in automobile so as to find out the cause of bending crack of the stands. 对制作汽车后视镜支架的三种管坯进行了物理化学检测，以期查找其弯裂的原因。 cnki