详细讨论了“V”型切槽在冲击波的动态压力和爆轰气体的准静态压力作用下所产生的力学效应。
The mechanical effects produced by the V-shape notch, which is under both the dynamical pressure of explosive shock wave and the quasi-static pressure of explosive sas, are discussed in detail.
爆力运矿采矿法具有采切比小、矿石损失贫化少、 经济效益好等优点。
In the mining system which conveys ore by blasting force, the ratio of mined tonnage to development is low and the ore dilution and loss are less, leading to good cost effectiveness.
分切前后采用两次预压送纸，最后压线成型降低纸板的爆线率，适用于劣质纸的加重箱板的成型。
Adopt double pre-scoring when working, then do final scoring, reduce scoring Seam broken, suit for poor quality carton sheet manufacture.
分切前后采用两次预压送纸，最后压线成型降低纸板的爆线率，适用于劣质纸的加重箱板的成型。
Adopt double pre-scoring when working, then do final scoring, reduce scoring Seam broken, suit for poor quality carton sheet manufacture.
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