The high performance pipeline pig and its complete instrument has great significance, because it solves the problem of ultra-high price of imported products and lowers down 1/5 in price under the condition of equivalent specifications.
英
美
- 本文研制的高性能电子清管器及其配套仪器，解决了从国外进口类似仪器价格高的问题，在性能指标相同的条件下，成本降低1/5以上；
