derrick member
常見例句
- 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作為作業(yè)井架的特殊支承構(gòu)件，其工作特性對作業(yè)井架的力學(xué)行為有較大影響。 - This program was pioneered by a CSDA contractor-member, Don Moroz of Derrick Concrete Cutting and Construction Ltd. , In Edmonton, Alberta, Canada.
這個綱領(lǐng)，是國內(nèi)首創(chuàng)的美洲可持續(xù)承辦人、頓河莫羅茲混凝土切割井架和建設(shè)有限公司，埃德蒙頓加拿大艾伯塔省。 返回 derrick member