目的制备止血模, 研究壳聚糖 、 明胶、PEG400间的用量比及己二醛溶液的使用对止血膜机械性能的影响.Objective To prepare arresting bleeding film, study the dosage proportion of chitosan, gelatin and PEG 400....
赠品会分开发送,所以请预留28天的送货期。Free gifts are dispatched separately so please allow 28 days for delivery.其价格为108英镑,包括增值税和送货费在内。It is available at £108, including VAT and delivery.他的洋葱批发价每磅9便士;打包送货的话要10便士。His onions cost 9p a lb wh...
他放下了那一杯尚未沾唇的酒.He set down his glass untouched.这种停滞现象的产生与剪切唇的形成有关.The delay was correlated to the development of shear lips crack surface.今天老板和他的秘书两人对杰克咂舌砸唇的.The boss and his secretary bell gave Jack the raspberry today....