Analyze for chlorin in free water , water cut and sand content in the crude oil.测定游离氯根, 做原油含水及含砂分析.Predict 2000, project kind adhesive, chlorin glue and propylene latex glue will have bigger growth.预计到2000年, 工程类胶粘剂 、 氯了胶...
You see studs on lots of London front doors.在伦敦，你能看到许多人家的大门上都装有饰钉。a leather jacket with studs on the back后背有饰钉的皮夹克Nowadays, smart studs practice safe sex.在今日, 聪明的性活跃者会选择安全的性....
The detachments made use of diversionary tactics to stand the enemy off.分遣队使用牵制战术,阻止敌军前进.They asked the British to launch a diversionary attack on the north coast.他们要求英国在北部海岸发动佯攻。Buyers and sellers is mutual on credit gr...