为了解决水样桶及量杯的冲洗问题,我们试制成功一种喷水器。构造如附图,水箱用旧汽油桶制成。原来的桶口即作装水口用,把盖盖紧后,能够密封,在桶的上方做一个打气嘴,气嘴安上自行车用的气门心即成。距桶底约一厘米处装上喷水嘴,接上所需长 In order to solve the flushing problem of water sample barrel and measuring cup, we successfully developed a water jet. Constructed as shown in the drawing, the water tank is made of old gasoline barrels. The original barrel port that is used as a water inlet with the lid tightly closed, able to seal the top of the barrel to do a beating mouth, air valve on the bike with a valve heart Serve. About a centimeter away from the bottom of the barrel fitted with a water nozzle, the required long