追肥枪的正确维护１、使用追肥枪和喷雾器前，要紧固各接头，垫圈如有损坏应及时更换。２、喷雾器加水盖上有一气孔，要勤检查，使之不阻塞，以免液桶内形成真空。并要勤洗加水过滤网和唧筒过滤片，以避免阻塞。３、拆洗喷雾器唧筒和气室时，需要妥善放置玻璃球。若阀球被... Proper maintenance of fertilizer gun 1, the use of fertilizer gun and sprayer before, to fasten the joints, gaskets, if damaged, should be promptly replaced. 2, sprayer water cap with a hole, to check ground, so that it is not blocked, so as to avoid the formation of a vacuum bucket. And to wash water filter and pump filter, to avoid blocking. 3, washable sprayer pump and gas chamber, the need to properly place the glass ball. If the ball is ...