巧向托里拆利管内装水银张定军（江苏赣榆徐山中学２２２１３１）托里拆利管是一根长１米，一端开口，另一端封闭的玻璃管，在往管内装水银时，尽管采取了一些方法，但都不尽如意，而且费工．为此我把其两端都做成开口，在往管内装水银时，把它的一个开口端用橡皮管通入水... Cleverly installing mercury into the Torelli tube, Zhang Dingjun (Jiangsu Xushan Middle School 222131). The Torelli tube is a one-meter-long glass tube with one end open and the other end closed. Even though the tube is filled with mercury, Some methods, but they are not as good as they are, and they are laborious. For this purpose, I made openings at both ends of the tubes. When mercury was put into the tubes, I used one of the open ends of the tubes to open the water...