| 1. | 9 maximum lifting capacity of top drive power head 45 kn
9动力头最大起拔力45kn
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| 2. | 9 maximum lifting capacity of top drive power head 30 kn
9动力头最大起拔力30 kn
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| 3. | The tensile strength of testing tool is 1000 kn
测试工具的抗拉强度是1000千牛。
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| 4. | 10 maximum thrust force of top drive power head 30 kn
10动力头最大给进力30 kn
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| 5. | 10 maximum thrust force of top drive power head 15 kn
10动力头最大给进力15 kn
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| 6. | 8 maximum lifting capacity of top drive power head 30 kn
8动力头最大起拔力kn 30
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| 7. | Frame strength analysis of 500 kn pressing machine by fem
熨平机机架有限元强度分析
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| 8. | Design of 2000 kn mechanical corrective bending machine
机械矫正弯曲机的设计
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| 9. | Maximum thrust force of top drive power head 15 kn
9动力头最大给进力kn 15
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| 10. | Load cells with electrical output up to 20 kn
带有电子输出的测压元件，最高压力达20 kn
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