Mr Heydon says it is because the ROV technology has only recently become capable enough.

海登说，这是因为ROV技术只是在最近才得以真正用于实战。

youdao

All of this can be done, Mr Heydon believes, for about half as much as opening a new landbased mine.

海登相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。

youdao

All of this can be done, Mr Heydon believes, for about half as much as opening a new land-based mine.

海冬相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。

youdao

Vom Foss opened 19 months ago and Ms Heydon expects sales to pick up further in the remaining days before Christmas.

BBC: 'Green shoots' for traders reporting Christmas sales up

Clare Heydon, manager of Vom Foss in Royal Arcade, Cardiff, which sells oils, vinegars, spirits and liqueurs has experienced a lift in mood.

BBC: 'Green shoots' for traders reporting Christmas sales up