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| 61. | Principle of Mechanic |
| 机械原理 |
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| 62. | This paper has also presented the design principle and the method of its manufacture and installation. |
| 还提出了高立式移动沙障的设计原理及制作安装方法。 |
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| 63. | The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper. |
| 详细论述了抽油烟机集气罩的设计原理,以及主要参数的确定方法。 |
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| 64. | invariance theory |
| 不变性原理 |
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| 65. | This paper presents its design principle, technical parameters and performance. |
| 文中介绍这种多功能过流继电器的设计原理、术参数及性能。 |
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| 66. | Principle of Microcomputer |
| 微机原理 |
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| 67. | 1998年澳信企业自行设计、发出第一台俊艺牌分线机，也标志着澳信企业以勇于创新的精神，稳健地跨入缝制业。 |
| We developed first“ Junyi” brand thread distributor in1998, with bracely innovation. |
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| 68. | box principle |
| 抽屉原理 |
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| 69. | gravity feed principle |
| 自流进料原理|重力送料原理 |
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| 70. | principle of electrotechnics |
| 电工原理 |
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