The results show that when the high-energy mechanical milling time increases, the relative density of pressed compact decreases gradually under the same compacting pressure.
结果表明，压制压力相同时，粉末压坯相对密度随高能球磨时间的延长而逐渐减小。
This is a compact detection switch, which can be pressed either horizontally or vertically.
这是一款小巧的检测开关，可按要么水平或垂直。
This is a compact detection switch, which can be pressed either horizontally or vertically.
这是一款小巧的检测开关，可按要么水平或垂直。
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