| 一般 |
диагностические и очистные устройства (The pigs which are used to accomplish these tasks can be divided into three categories: Utility Pigs, which are used to perform functions such as cleaning, separating, or dewatering. In Line Inspection Tools, which provide information on the condition of the line, as well as the extent and location of any problems. Gel Pigs, which are used in conjunction with conventional pigs to optimize pipeline dewatering, cleaning, and drying tasks. ( AD  ppsa-online.com) |
