- 合理施藥
- proper: adj. 1.適當(dāng)?shù)?,相?dāng)?shù)?;正?dāng)?shù)模瑧?yīng)該的;正式的,正 ...
- application: n. 1.適用,應(yīng)用;運用。 2.申請,請求;申請表格。 ...
- proper timing of insecticide application: 適期施藥
- be proper to: 為…所特有
- it is proper that: 是適當(dāng)?shù)?/li>
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