常見(jiàn)例句雙語(yǔ)例句The jacket, topside and yoke assembly were separately lifted and installed by using a derrick barge.導(dǎo)管架、上部結(jié)構(gòu)和軟剛臂分別是用浮吊吊裝的。As a commercial diver in the offshore oil fields of the Gulf of Mexico, I was assigned to a job on board a derrick barge.我在墨西哥灣的一個(gè)海面油田做職業(yè)潛水員，一次被指派到一艘吊桿起重駁船上工作。Based on the derrick barge ship's character of ultra shallow draft, this paper calculates the hydrodynamic coefficient for every degree of freedom on the condition of the general ocean environment.針對(duì)超淺吃水大型起重船的這一特性，計(jì)算研究其在常見(jiàn)海況下各自由度水動(dòng)力系數(shù)。 返回 derrick barge