这种物质是从肠壁的细胞中分泌出来的。
This substance is secreted from cell in the intestinal walls.
扫描电镜下可见细菌纤维素膜呈疏松的网状结构,纤维素微纤丝从菌体胞壁小孔中分泌出来;
The surface of BC membranes was porous network structure observed by SEM, and the micro-fibrils of BC were secreted from the eyelet of cell wall.
扫描电镜下可见细菌纤维素膜呈疏松的网状结构,纤维素微纤丝从菌体胞壁小孔中分泌出来;
The surface of BC membranes was porous network structure observed by SEM, and the micro-fibrils of BC were secreted from the eyelet of cell wall.
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