Basic Knowledge of Ammonia Synthesis – One Question per Day 140

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True or False: 1. There are two types of buoyancy level gauges, namely constant buoyancy level gauges and bucket type level gauges. 2. An important function of level measurement is to determine the quantity of raw materials, semi-finished products, or finished products in a container through such measurements. We hope that all fellow learners will participate actively: handshake. The purpose of this activity is to review the knowledge we have already learned, and to improve and strengthen everyone’s fundamental theoretical knowledge through answering questions, thereby reinforcing what we already know and helping us recall what we have forgotten. The top 50 answerers will definitely receive a reward. Please reply with the answer hidden; otherwise it will be invalid. Hidden method: http://bbs.hcbbs.com/thread-492556-1-1.html Please do not edit the ‘L’ after replying. Answer key: 1、√, 2、√.