钨极氩弧焊机控制系统性能调试包括各程序的设置能否满足工艺需要、网压变化时焊机的补偿能力的测试等。
Idon’thaveas______moneyasbefore,butmylifeismore______.
ProjectHopeisanorganization_____raisesmoneytobuildschoolsandbuybooksforpoorchildren.
Underthis____pressuresomeoftherocksevenbecameliquid.
Heconcludedhisspeechwitharemarkthatfailure____themotherofsuccess.
Hebuiltatelescope____hecouldstudytheskiesinhisfreetime.