用置換法处理水样,在把沉淀好的水样往比重瓶內倒时都是一手提着沙桶一手將漏斗插到比重瓶口中,往漏斗里倒,有时因为沒有在比重瓶口留出排气的地方,就往外涌溢水样。处理完一个水样又須把漏斗拿起冲洗沙桶,然后再插到里边,特別是在洪水时期一次取十几桶水样,这样拿上拿下的就很不方便,并且作的又慢又不稳当,我站为了安全生产,提高 Replace the water sample with the displacement method. When pouring the precipitated water sample into the pycnometer, it is a hand-held sand bucket. The funnel is inserted into the mouth of the pycnometer and poured into the funnel. Sometimes it is not set aside in the pycnometer port. Exhaust areas, spill out of the water. After processing a sample of water, it is necessary to pick up the hopper and wash the sand bucket, and then insert it inside, especially when taking a dozen buckets of water samples at a time during the flood period. It is very inconvenient for the people to pick up and take them, and it is slow. Unstable, I stand for safe production, improve