用petroleum extraction造句子，“petroleum extraction”造句
來源：國語幫 2W
Industry: petroleum extraction, cement, lumber, brewing, sugar, palm oil, soap.
The principle is advance capability and credibility function and safety operation in the design of the drill and petroleum extraction tools.
Mining of copper, cobalt, diamonds, gold, zinc and other metals, as well as petroleum extraction, once accounted for 75 percent of its GDP.
The drill and petroleum extraction tools test-well is built in room, that not only can ensure that test environment meeting the test request but also is very convenience for equipment maintenance.
Analysis of the chemical composition of petroleum extraction from the flowers of Tetraena mongolica Maxim
