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| 1. | Studies of the gravity field of the Earth indicate that its crust外壳 and mantle覆盖物 yield when unusual |
| 大陆分水岭是指北美洛矶山脉上的一道想象线，该线把大西洋流域和太平洋流域区分开来。 |
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| 2. | exhausted（耗尽、疲惫） man and the trustful（信任） guy thrust（插、戳、延伸） a knife into the rusty（锈、迟钝、腐蚀） crust（外壳 |
| 精疲力竭的男子和深信不疑的家伙将一把刀子刺向生锈的外壳。 |
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| 3. | Install the PDC cover. |
| 安装PDC外壳。 |
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| 4. | water-tight case |
| 不透水外壳, 耐水外壳 |
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| 5. | Convenient installation - Roomy enclosure for easy field connections. |
| 安装简便 - 宽敞的外壳使得现场安装简便易行。 |
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| 6. | Install bulbs and sockets in the lamp housing. |
| 安装灯泡和插座于灯外壳上。 |
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| 7. | Install replacement gasket and thermostat housing. |
| 安装替换垫圈及调温器外壳。 |
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| 8. | transmitter house |
| 发射机外壳|送话器外壳 |
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| 9. | installing Intelogis for one computer and printer is$59 with an additional$40 for adapters.不同型号的计算机有不同版本的安装包 |
| 虽然电力线网络解决支付任何额外费用电气安装妥当后,他们只有用的国家标准电压为110伏特. |
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| 10. | The outer casing of a rocket, guided missile, or spaceship. |
| 外壳火箭，导弹或宇宙飞船的外壳 |
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