Why didn’t people begin to use unmanned vehicles in undersea exploration until r

游客2023-10-06 25

问题 Why didn’t people begin to use unmanned vehicles in undersea exploration until recently?
It is because of the ______.
[br] What will happen to a submersible in deep water if it is not well built?
It is most likely to ______.

选项

答案 get crushed

解析

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Why didn’t people begin to use unmanned vehicles in undersea exploration until r

Buyinginsurance(保险)isawayinwhichpeoplecanprotectthemselvesagainstla

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Mostparentsandteachersdonotlikeyoungpeopletoreadcomicbooks(连环画),

Mostparentsandteachersdonotlikeyoungpeopletoreadcomicbooks(连环画),

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是商品交换顺利进行的条件，是商品流通领域一切商品交换活动的总和，随着社会交往的网

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