I hit on this book in a small bookshop.我在一家小书店里偶然发现了这本书.I owned a bookshop and desired to expand the business.我拥有一家书店，想要扩大业务。I got this book by chance at a second - hand bookshop.我赶巧在一家旧书店里买到这本书.The bookshop has decided ...
I owned a bookshop and desired to expand the business.我拥有一家书店，想要扩大业务。I hit on this book in a small bookshop.我在一家小书店里偶然发现了这本书.I got this book by chance at a second - hand bookshop.我赶巧在一家旧书店里买到这本书....
He is an innovator in this field.他是这个领域里的革新者。He was an innovator in engineers , transmissions and mechanical components.他在发动机, 传动,机械构件方面搞了一些革新.And it has been a clever innovator with its supply chain.在供应链方面它也是独具匠心....
A voltammeter is a device for measuring voltage or amperage.伏安计是用于测量电压和安培数的仪器.Attention: use thicker cable as amperage is 19 - times ( 19 x ) higher.注意: 尽量用加粗的电缆,因为安培数有19倍之高.Calculates by any two of wattage, voltage, amp...