这种技术也会发生意外，这主要取决于这些化学药剂的使用量。

This approach could also backfire, however, depending on the amount of the agents used.

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栽培者必须准备使用一系列的化学药剂。

Growers must be prepared to use a range of chemicals.

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本文系统地对灯泡贯流式发电机冷却水系统中添加CR防腐化学药剂的研制与使用效果进行了分析。

Development and effectiveness of CR anti-corrosive chemical agent added to the cooling-water system of bulb-generator are analysed systematically.

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