单词v-f-w-
网络: 垂直流湿地
I started performing at bookstores, V. F. W. and church halls and retail stores.
接着,我开始为书店、海外退伍军人、教堂和零售店表演。
Basic Mechanisms of Skid Resistance V F W Rubber
轮胎抗滑性能基本机理