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- For the combination type of mechanical &electrical drilling rigs, i.e.JD &LD, the drawworks is driven by narrow V-belt and chain compound drive. 机械驱动与电驱动混合型钻机，即JD、LD型，后台采用窄V带并车或链条并车，前台采用交流变频电机驱动转盘。
- Vitrinite is mostly composed of aromatic compounds,in addition to large amount of short aliphatic-side chain compounds. 与此相反,丝质体结构组成中芳香烃占绝对优势,而脂族结构含量则很少;
- The exponent-type homologous linear rule of organic homologs was verified by using the electronic spectra of chain compounds of conjugated polyene. 用共轭多烯链状化合物电子光谱的数据，对指数型同系线性规律进行验证。
- Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds. 通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
- The chain has fallen foul of plants in the water. 链条已和水中的植物缠绕在了一起。
- She has a gold chain about her neck. 她在脖子的周围挂着一根金项链。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- The chain has run foul of some plants in the water. 铁链缠在水中的一些植物上。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- These two pieces of the chain hook together. 这两个链环套在一起。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- He detached a link from a chain. 他从链子上拆下一个链环。
- The anchor chain took charge and ran out. 锚链失去控制而滑了出来。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- A pendant worn on a chain around the neck. 垂饰挂在脖子项链上的垂饰物
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- He runs a chain of pasta restaurant. 他经营着一个面食餐馆联号。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
