discretionary cost
·2,447,543篇论文数据,部分数据来源于NoteExpress
具伸缩容易,遮挡面 积大,制造工艺简单,成本低,材料适应性广,制品大小任意的特点。
The sectional material has the characteristics of easy contraction, large occlusion area, simple manufacturing technology, low cost, wide adaptability of material and arbitrary size of products.
youdao
应用推荐
模块上移
模块下移
不移动