例句 |
1. Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared. 在此基础上,以硫酸钠为凝固剂,对胶原-PVA共混溶液进行湿法纺丝,制备了胶原-PVA复合纤维。 2. Sympathetic fibers are distributed to all regions of the heart. 交感神经纤维分布于心脏的所有部分。 |