这树肚带是两公尺.This tree is 2 meters in girth.培训肚带作出聚网络与PVC内衬整个背部和内围.Training surcingle made of poly web with PVC lining across the back and inside the girth....
Result: A new type fiber - annulation thickening on intracavitary cell wall, was discovered in medical material power.结果: 在药材粉末中发现一种新型纤维 — 其腔内细胞壁环纹增厚....