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
- 本文研制的高性能電子清管器及其配套儀器，解決了從國外進(jìn)口類(lèi)似儀器價(jià)格高的問(wèn)題，在性能指標相同的條件下，成本降低1/5以上；
