Direct 4D printing of ceramics driven by hydrogel dehydration

yuan4dDuring the past few years, some review papers give comprehensive summary of the advances in 4D printing from different viewpoints including printing material [3, 4, 8, 10],YUAN4D dirancang untuk memenuhi kebutuhan pemain judi bola yang menginginkan akses mudah ke berbagai pertandingan olahraga, baik lokal maupun internasional.