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关注：1
2013-05-23 12:21
求翻译：掌握常用材料的重量和吊运就位方法及构件重心位置，并能计算非标准构件和材料的重量。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
掌握常用材料的重量和吊运就位方法及构件重心位置，并能计算非标准构件和材料的重量。
问题补充： |
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2013-05-23 12:21:38
Grasp the weight of materials commonly used methods and structures in place and lifting the center of gravity, and calculate the weight of non-standard components and materials.
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2013-05-23 12:23:18
Mastery of the commonly used materials and weight lifting methods and components focus on location, and can calculate the weight non-standard components and materials.
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2013-05-23 12:24:58
Grasps the commonly used material the weight and lifts takes place the method and the component center-of-gravity position, and can calculate the non-standard component and the material weight.
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2013-05-23 12:26:38
Grasp the weight of materials used and methods of handling is in place and the component of gravity, and can compute non-standard weights of the components and materials.
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2013-05-23 12:28:18
Grasp the weight of materials used and methods of handling is in place and the component of gravity, and can compute non-standard weights of the components and materials.
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