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- 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. 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。
- 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 flat-bottomed sailing boat with two masts. 雙桅平底船有雙桅的平底帆船
- A schooner is a boat with at least two masts. 一個(gè)縱帆船有2個(gè)以上的桅桿。
- Calculation and stress test on 720 kN mast derrick 720kN桅桿式井架的設計計算和應力測試
- A specific order forbade the existence of ships with more than two masts. 一項專(zhuān)門(mén)命令竟禁止保存兩桅以上的船舶。
- The Dutch National Sailing association has ordered three masted topsail schooner, to be called Eendracht, which will replace the 14 years old two masted schooner of the same name. 荷蘭全國帆船會(huì )定購了一艘3桅、中桅帆、縱帆式帆船。命名為Eendtaeht號，以代替名字相同的，已服役14年的兩桅縱帆式帆船。
- The two systems of government are polar opposites. 這兩種政體正好相反。
- In the hoisting method using two A - shaped equal height masts, the two masts are sylnmetricallypositioned on the two sides along the centerline of equipment foundation. 等高雙A形桅桿始吊方法，一般為兩桅桿對稱(chēng)站立于設備基礎中。
- The business is owned by two partners. 這家商行為兩名合伙人所擁有。
- Each Automatic Weather Station comprises two masts of about 5m and 10m high respectively and concrete plinths for setting up the masts, equipments and ductwork, with an area of about 10m x 10m. 每個(gè)自動(dòng)氣象站面積約十米乘十米，設有兩支分別約五米高和十米高的桅桿和混凝土基座以裝設桅桿、設備和纜槽。
- He sailed for two years before the mast. 他作為普通水手出海航行了兩年.
- She has two cars and in addition a motorboat. 她有兩輛轎車(chē)外加一艘汽艇。
- mast derrick 桅式吊車(chē)
- The meat marinated in the brine for two days. 這塊肉在鹽水里泡了兩天。
- At that time he had two helpers. 當時(shí)他有兩個(gè)助手。
- Kindly send us two samples of each class quote for. 報價(jià)時(shí)，請對每一個(gè)等級的各寄兩個(gè)樣品。
- The two boys decided to play truant and go fishing. 這兩個(gè)男孩決定逃學(xué)去釣魚(yú)。
- A small adjustment will equalize the temperature in the two rooms. 稍作些調節就會(huì )使兩間房?jì)鹊臏囟认嗟取?/li>
- People in this locality used to take two meals a day. 這兒的居民過(guò)去每天吃?xún)刹惋垺?/li>
