standard full V thread

例句：

1. 1. The standard of the company is high.
   公司的标凈很高。
2. 2. This is a standardsize for this type of shirt.
   这是这种衬衫的标准尺码。
3. 3. Standards are setto ensure quality and safety in manufacturing.
   设定标准以确保制造过程中的质量和安全。