可是州外的收集者却要提交特许证或警察发给的证书.In contrast, out - of - state processors were required to submit title certificates or police certificates.你得不到特许证就不能使用这些文件.You can't use these files without obtaining a release.自由并非特许证.Liber...
However, the immiscibility of oil with methanol leads to low transesterification rate in the biodiesel production.但在传统的生物柴油生产工艺中, 由于原料油与醇的不互溶性,严重影响了酯交换反应的程度.The three phase immiscibility of Fanshan magma resulted in the ...