单词	self-check key
释义	self-check key 自校准开关
随便看	operating efficiency operating electrician operating empty weight operating empty weight (oew) operating engine operating engineer operating envelope operating environment operating environmental conditions operating environmental temperature operating equipment operating error operating exchange capacity operating expenditure operating expenditure and receipt operating expense operating expense book operating expense budget operating expense deduction operating expense ledger operating expense ratio operating expenses operating experience operating experience feedback Operating exposure qxgd qxgy qxgz qxhc qxhl qxhw qxhx qxjd qxje qxjj 预断预期预期寿命预染预案预检预测预演预热预留