We? ll be adding the 4 new pads and backing plate to the Tech 222 course.
我们将会增加4个新的护垫和底盘在222技术培训课程上.
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Study on the penetration performance of ceramic armors with different backing plate
不同背板对陶瓷复合装甲抗弹性能影响的研究
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All wire burned sections are to be mounted in hardened tool steel with hardened backing plate.
所有的线割入子必须安装在热处理的模板上并有热处理后的支撑板。
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AP轴承还集成了隔圈、密封、密封耐磨环、轴端盖、端盖螺钉、锁定板以及后挡环等部件。
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