Tendering documents shall clearly stipulate that no alternative quotation or quotation with additional conditions is acceptable. 招标文件应当明确规定不接受选择性报价或者具有附加条件的报价。
This paper analyzes the graphical design of quick return planar linkage mechanisms with an additional planar linkage dimension, which gains practical method for such design. 摘要论述了有附加条件时急回连杆机构的图解设计，为其设计提供了思路。
