Mme Cathiard was stacking the clean bottles in crates...凯西亚德夫人正在将干净的瓶子整齐地码放在板条箱里。...a pile of wooden crates...一堆大木箱We were using crates as seats.我们用大木箱作为座位。We've also got a bonus quiz with crates of beer as prizes!我...
探讨了 间甲酚 含量的容量分析方法.The determination ofm - cresol content by brominating volumetric method was investigated.利用间甲酚紫作指示剂定量地测定食醋中总酸的含量.This paper suggested am - cresol purple, which could determine quantitatively the content...