词汇	vierdour
释义	vierdour 🌏维尔杜尔
随便看	operator services position system operator services switching unit operator service system operator set operator set electronic widow operator-set electronic widow operator setup time operator set up time operator set-up time operators focus OperatorsGenetics operatorship operatorships Operator Side operator signal operator signaling operator signature operators instruction book operator site operator's liability operator's licence operators make some mistakes Operators mounted perpendicular to pipe operator's number operators of implication