通常讲，具有更少的晶体缺陷，更光滑的外形、更高的晶体密度，则有利于降低炸药的感度，提高安全性。
Usually, if explosive particles have less crystal defects, more smooth surface, and higher crystal density, the explosives have lower sensitivities and better safety.
激振力大，踏实效果好，使轨道板表面光滑无气孔，外形美观。
Moreover, a large exciting force and good compact effect ensure that the track slab is smooth in surfaces, exempt from air holes, and beautiful in exterior appearance.
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