They are building a submarine cable tunnel.

他们正在建设一条海底电缆隧道。

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They are building a submarine cable tunnel.

建设一条海底电缆隧道。

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A kind of winch is used to draw in and draw out the umbilical cable for saving space in a submarine cable burying system.

某型海缆埋设系统为节省甲板空间而采用绞车来收放脐带电缆，但是系统中绞车的使用会使脐带电缆的内层电缆产生热量从而降低其性能。

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"There was a submarine cable laid between Singapore and India which probably had quite an effect, and export processing zones were redesignated so there would have been some industrial investment due to tax breaks, " he said.

BBC: India sees jump in foreign investment

Six telecommunications companies have formed a consortium to build a submarine cable system linking Malaysia, Singapore, India and Sri Lanka with the Middle East, which could boost data connectivity significantly in the region as operators expand their data offerings to boost earnings.

WSJ: Telecom Consortium to Build Undersea Cable Network