bottom flat line
底线底线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The structure plate is composed of high-elastic structure, which is provided with an edge raised line, a middle raised line, a bottom flat surface and a bottom concave surface.
由高弹性结构构成，高弹性结构上设置有边凸条、中凸 条、底平面、底凹面；
youdao
The daily chart of Apple Inc. ( AAPL) shows a potential bottom formation, line a, as prices have been flat over the past few days.
FORBES: Is Apple Ready to Join the Party?
应用推荐
模块上移
模块下移
不移动