directedspraying
英英释义 ... directed distance有向距离 directed spraying定向喷雾 directed thinking定向思维 ...
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定向喷雾法 Orientational Spraying
用一次性塑料杯作防护罩，草甘膦水剂定向喷雾，对苗木安全、除草效果好、省工、省钱，比人工除草节约成本74%。
With plastic cup as protective cover, directive spraying of roundup water agent is safe for seedlings, of better weeding effect, and to save time and money.
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