Increasing rework is a sign of increases in maintenance demands and costs.
增加返工是维护要求和成本增加的信号。
2
Maintenance man: OK, we'll try, but it depends how long it usually takes. Oh, please sign your name on the slip here.
维修员：好的，我们会尽力，但要看一般要用多久时间。请在这个纸片上签上你的名字。
3
Aircraft mechanics and inspectors who signmaintenance releases and certify airworthiness require an Aircraft maintenance Engineer's (AME) licence issued by Transport Canada.