programmable controller的用法和样例：
例句
- Various types of programmable controllers can meet the needs of different users.
多种可编程控制器类型可满足不同用户的需求。 - The design by using programmable computer techology to achieve the automatic control of pneumatic conveying of polyamide chipsand nitrogen recycling is introduced.
简要介绍了利用可编程控制器计算机技术，实现锦纶切片气力输送及氮气回收的自动控制。
