packaging unit的用法和樣例：
例句
- Alcoa Closure Systems International is a major provider of closure systems, packaging equipment and technical services.
美鋁瓶蓋系統國際公司是一家主要供應商的封閉系統，包裝設備和技術服務。 - Packaging equipment manufacturer Sidel has launched its first automatic plastic blow moulding regulation system.
西得樂包裝設備製造商已經推出了首款自動塑料吹塑調節系統。
