Technical troops specializing in mapping,meteorology,water supply and avia-tion have provided such services as geographic survey,weather forecast,water source exploration,aerial sowing and artificial pre-cipitation in the western region.
英
美
- 測繪、氣象、給水、航空等技術(shù)部隊為西部地區提供了大地勘測、氣象預報、水源探測、飛播造林、人工降水服務(wù)。