Rock mechanical characteristic is basic issue in the study of rock engineering.
岩石的力学特性是研究岩石工程问题的基础。
The wear characteristic of B104a-70 mechanical seal was predicted.
对B104a一70型机械密封的磨损特性进行预测。
Milling moment is an important mechanical characteristic in the milling process.
铣削力矩是铣削过程中一个重要的物理量。
Milling moment is an important mechanical characteristic in the milling process.
铣削力矩是铣削过程中一个重要的物理量。
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