I noticed with surprise that the house had not been repainted and the garden tidied up.我惊异地注意到房子没有重新油漆,花园也没有整理。She repainted the downstairs rooms and closed off the second floor.她重新粉刷了楼下的房间，并把二楼封上了。They need to be repain...
Marcella says that God is the potter molding the clay.玛塞拉说上帝是一位塑造陶土的陶工.Where Marcella lives, the rents are fairly cheap, but a little further north it's a different story.玛塞拉居住的地方，租金比较便宜，但稍稍再往北一点情况就不同了。Marcella : I ...
Causes for the corrosion leakage of interstage coolers of a chlorine gas compressor were analyzed.分析了氯气压缩机段间冷却器腐蚀泄漏原因,介绍了超声波防垢原理及其实施效果.The paper also points out the condition of the best interstage of the forging.并指出了最佳锻...