具有特别伸长性的变形纱称为弹丝.Textured yarns that have been programmed for extraordinary extensibility are known as stretch yarns.涤纶高弹丝, 低弹丝制造, 加工, 销售, 纺织原料销售.Dacron high shells silk, Didansi manufacturing, processing, marketing, text...
It is usual to tip waiters, porters, guides and drivers.给服务员、行李搬运工、导游和司机小费是惯例。Is one allowed to offer gratuities to the guides?可以给导游小费 吗 ?Our guides belay us.我们的响导把我们系在绳子的一端....