常見例句雙語例句Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.繃?yán)K作爲(wèi)作業(yè)井架的特殊支承搆件，其工作特性對(duì)作業(yè)井架的力學(xué)行爲(wèi)有較大影響。This program was pioneered by a CSDA contractor-member, Don Moroz of Derrick Concrete Cutting and Construction Ltd. , In Edmonton, Alberta, Canada.這個(gè)綱領(lǐng)，是國內(nèi)首創(chuàng)的美洲可持續(xù)承辦人、頓河莫羅玆混凝土切割井架和建設(shè)有限公司，埃德矇頓加拿大艾伯塔省。 返回 derrick member