Some see themselves as the provider of ideas, while others view their role as essen-tially managerial.有些人自认为是出谋划策的人，其他人则认为他们主要是起管理方面的作用。The specified security provider could not be validated. Access was denied.无法验证指定的安全性...
The magnetic cores of transformers and other apparatus are laminated.把变压器及其它仪器的磁心分层.Several distributor transformers had fallen from the poles, and secondary wires and service drops were down.几个配电变压器从电线杆上摔下来, 副线及吊饰也垂下来.R...