直压式树干注药机包括机架 ,机架连接机体 ,机体连接柱塞泵、出药阀和吸药阀 ,曳手连接柱塞泵和机体 ,吸药阀连接计量器。计量器的计量筒通过放药开关连接储药瓶 ,实际吸入量等于排出量 ,计量准确可靠 ;阀体连接的曳手强制曳引不会发生卡死现象 ,工作可靠 ,可用于各种树木病虫? The direct pressure type trunk injection machine includes a machine frame, a frame body, a body connecting plunger pump, a medicine valve and a suction medicine valve, a dragger connects the plunger pump and the body, and a suction medicine valve is connected with the measuring instrument. The measuring tube of the measuring instrument is connected to the medicine bottle through the drug release switch, the actual amount of inhalation is equal to the amount of discharge, and the measurement is accurate and reliable; the valve connected to the trolley will not cause stuck phenomenon when forcedly dragging, reliable work and can be used for various tree diseases insect?