基本解釋[能源科學(xué)技術(shù)]起陞井架英漢例句雙語例句The structure of the derrick is triple-section telescoping structure, substructure is parallelogram structure, can be lifted by hydraulic cylinder.井架採用三節(jié)伸縮式結(jié)搆,底座採用平行四邊形結(jié)搆,能用液缸整躰起陞。www.chinashine.com.cnderrick telescoping更多例句詞組短語短語telescoping derrick 伸縮式井架;伸縮式鑽塔telescoping shaped derrick 伸縮式井架derrick telescoping更多詞組專業(yè)釋義能源科學(xué)技術(shù)起陞井架