【多选题】在电火花加工中,工作液的作用 是( )、( )、( )、 对工具和工件起冷却作用 。
A.
帮助形成火花击穿放电通道,并在放电结束后迅速恢复间隙的绝缘状态
【简答题】电火花加工的工作液起___________、___________、___________等作用。
【单选题】If you _______, you're sure to make great progress. [ ]
【单选题】If you work hard, you're ___ to succeed.
【简答题】Listen , Rose...You're gonna 1 ) _______here. You're gonna 2) _______ , and you're gonna 3) _______, and you're gonna 4) _______ . You're gonna 5) _______ warm in her bed . Not 6) _______ . Not 7) ___...
【简答题】Listen , Rose...You're gonna 1 ) _______here. You're gonna 2) _______ , and you're gonna 3) _______, and you're gonna 4) _______ . You're gonna die an old, an old lady warm in her bed . Not here . Not...
【单选题】You’re gonna work harder than you have ever worked ________.
【判断题】You’re gonna go on and you you’re gonna make lots of babies, and you’re gonna die an old, old lady warm in her bed. These lines are from Gone with the Wind .
【单选题】电火花加工中使用的工作液主要起()作用。
【多选题】在电火花数控线切割加工中,添加工作液的主要作用有()。