-
最佳答案：pressure tubes 有压力管non-pressurized tubes 无压力管【希望帮助到你,若有疑问,可以追问~~~祝你学习进步,更上一层楼!(*
-
最佳答案：There are many ways to reduce the pressure.
-
最佳答案：I feel stressfull as the other students in the class.
-
最佳答案：About the top presure of boiler,there are two situations:1.the top presure with
-
最佳答案：Now have 50% of students for homework more stress, but the worry, 30% of student
-
最佳答案：1.Everything has dual character,different people have different opinions about p
-
最佳答案：1,when he found this company,he was under bug pressure of success.2,the office h
-
最佳答案：I am cheerful, stable, vibrant, warm, sincere; work serious and responsible, pro
-
最佳答案：I ran to the shop hurriedly,only to find it had been shut.To tell you the truth,
-
最佳答案：1.i am responsible and careful in doing things;2.i have teamwork spirit ;can bea