They sluice the streets down every morning.他们每天早晨冲洗街道.Out of the sluice springs an exhaustible supply of water.水从水闸中源源不断的涌出.We opened the sluice and the water poured in.我们打开闸门,水就涌了进来。They regulate the flow of water by th...
Can you find it in the world - class museums, such as the Louver?你能否在世界 一流 的博物馆, 如卢浮宫中找着 呢 ?Inspect the closing of louver of funnel.检测烟囱百叶窗的闭合性.These tests provide a theoretical basis for the design of louver concentrato...