反渗透主要应用于生活用含盐水的脱盐.Principal application of reverse osmosis has been in desalting brackish waters for domestic consumption.环境工程师应用反渗透原理的机会并不多.The environmental engineer does not have much opportunity to apply the principl...
Workmen were hired to remodel and enlarge the farm buildings.雇用了工人来改造和扩建农场建筑。In University Square workmen are building a steel fence.在大学广场上，工人们正在修建钢栅栏。The coarseness of her cursing amazed the workmen.她骂人的那些粗话让工人们大吃一惊。...