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我们制作了一种专门用于防治天牛幼虫的小药械。给它起了个名字叫“敌天牛”。是利用破旧喷杆上的螺丝口焊接上5厘米长的漏斗形薄铁片筒。漏斗形筒的小头内径1.5—2.0厘米,大头内径根据螺丝口大小而定。
We made a small special equipment for the control of Tian cow larvae. Give it a name called “enemy Tianniu.” Is the use of shabby boom on the screw mouth welding 5 cm long funnel-shaped thin iron tube. Funnel-shaped tube of small head diameter 1.5-2.0 cm, large head diameter according to the size of the screw mouth.