standard D coupler

例句：

1. 1. The new product is designed to meet the standards of quality.
   新产品的设计旨在达到质量标准。
2. 2. The company has adopted a standard operating procedure for its employees.
   该公司为员工制定了一套标准操作程序。
3. 3. The standard of living in this area is higher than in other parts of the country.
   该地区的生活标准高于全国其他地区。
4. 1. This D coupler can be used to connect two wires together.
   这个D型连接器可以用来连接两根电线。
5. 2. The D coupler was designed to improve the reliability of the electrical system.
   这个D型连接器被设计用来提高电气系统的稳定性。
6. 3. The D coupler is an essential component of the circuit board assembly process.
   D型连接器是电路板组装过程中的一个关键组件。