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 _____       ___      ______     ___      ______  
|  __ \\    / _ \\   /_   _//   / _ \\   /_   _// 
| |  \ ||  / //\ \\  `-| |,-   / //\ \\  `-| |,-  
| |__/ || |  ___  ||   | ||   |  ___  ||   | ||   
|_____//  |_||  |_||   |_||   |_||  |_||   |_||   
 -----`   `-`   `-`    `-`'   `-`   `-`    `-`'

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發送短信 : Characteristic of bubble rise in quiescent or moving liquids