您要查找的是不是：
- The analysis of the corrosion form and environment confirms that the main cause of the corrosion is the poor welding quality and water permeation. 通过对腐蚀形貌和环境进行分析,确认罐顶焊接质量差和雨水渗入是造成腐蚀的主要原因。
- High con-centration of chloride ion in processing fluid and poor welding quality ol evaporator were the main causes of evapo-rator failure. 而蒸发釜工作介质中较高氯元素的存在是形成应力腐蚀的特定介质条件；焊接工艺不当是造成蒸发釜产生应力腐蚀，并快速失效的主要原固。
- It also introduces a way to improve the antiinterference under poor welding conditions.Some special NC functions are designed and applied in trace based welding. 着重介绍在恶劣的焊接条件下，如何提高数控系统的抗干扰性能，以及基于轨迹焊接，一些特殊的数控功能的设计与运用。
- Robert was a poor welder. 罗伯特是个穷焊接工。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- As a work of art it is very poor. 作为艺术品这是十分拙劣的。
- The poor chap gets terrifically het up. 这个可怜的人气得要命。
- Mr.Black bowed out of politics due to poor health. 布莱克先生由于健康不佳而退出政治生涯。
- The poor old man shuffled off in his worn shoes. 这位可怜的老人穿希破烂不堪的鞋子一步一拖地走。
- Poor Lionel went to pieces after his wife died. 可怜的莱昂内尔在妻子死后垮了下来。
- The poor old man has come down to the bedrock. 那可怜的老人只剩下最后一块钱了。
- His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
- I thought his jokes were in very poor taste. 我认为他讲的笑话太粗俗了。
- His concern for the poor is only a pose. 他对穷人的关心只不过是做做样子罢了。
- Poor girl, I feel for you, toothache is painful. 可怜的姑娘，我都替你难受，牙痛真够呛。
- The poor old man died of starvation. 那个可怜的老人被饿死了。
- It takes speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- They would stop the rich from robbing the poor. 他们要制止富人掠夺穷人。
- He bobbed the poor old woman out of her savings. 他骗走了那位可怜老妇人的积蓄。
- It take speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
