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- Don't stay under the arm of a derrick! 不要在起重機的吊臂下!
- They were placed by a derrick mounted on rails on the bridge deck. 它們由軌道上的轉臂吊機吊放在橋面上。
- The boom of a derrick. 人字形起重機的桁
- A long pole extending upward at an angle from the mast of a derrick to support or guide objects lifted or suspended. 吊桿從起重機的豎檣上以一定角度向上伸出的長(cháng)桿，用來(lái)支持或牽引物體豎立或吊起
- The jacket, topside and yoke assembly were separately lifted and installed by using a derrick barge. 導管架、上部結構和軟剛臂分別是用浮吊吊裝的。
- The most obvious part of a drilling rig is called"a derrick". It is used to lift sections of pipe, which are lowered intothe hole made by the drill. 鉆機中最顯眼的部件叫“井架”,井架用來(lái)吊升分節油管,把油管放入由鉆頭打出的孔中。
- 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。
- There is a vein of melancholy in his character. 他的性格中有少許憂(yōu)郁的氣質(zhì)。
- There was a long lag in forwarding mail to us. 轉寄給我們的郵件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗熱雞湯對你有好處。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate,its section is oblong armor plate,and its material is HG60.Stability,static loads and fatigue life on a derrick are calculated in designing. 為滿(mǎn)足液壓輪式通井機的使用要求而設計的桅桿式井架采用板焊結構,主體截面為長(cháng)方形的方形鋼,材料為HG60。 對井架進(jìn)行了穩定性、靜強度和疲勞強度設計計算。
- A country must have the will to repel any invader. 一個(gè)國家得有決心擊退任何入侵者。
- A fire was burning in the grate. 火在壁爐中燃燒著(zhù)。
- They cleaved a path through the wilderness. 他們在荒原中開(kāi)辟出一條路。
- They denounced him to the police as a criminal. 他們向警方告發(fā)他是罪犯。
- This place doesn't have a very savory reputation. 這個(gè)地方的名聲可不太好。
- This strain of wheat can grow during a cold spring. 這種小麥可以在寒冷的春天生長(cháng)。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚飯沖下去。
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
