In KP1 type perforated brick masonry, expansion bolt especially design for perforated brick is prefer, because it can form "self- anchor" effect and hold tightly in brick hole.
KP1型矩形条孔烧结页岩多孔砖砌体墙上应采用空心砌体专用膨胀螺栓，因其能够形成可靠的“自螺母效应”。
Pluripotent stem cells hold significant promise in regenerative medicine due to their unlimited capacity for self-renewal, and potential to differentiate into any cell type of the body.
多能干细胞因为具有无限的自我更新能力和分化潜力，是再生医学的重要研究对象。
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