The serialization of manned submersibles can carry out the exploration of marine resources and other operating with the maximum working depth from 50 meters to 7000 meters.

能将科学家、工程人员和仪器设备带到深海进行海洋资源勘探和其他作业，最大工作深度从50米到7000米。

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Mario Torres Lopez, 42, was working at a depth of about 100m (328ft) when the mine collapsed.

BBC: Chile slow search for miner trapped 100m underground

Shell says it's working at far less depth and lower pressures than the BP well that erupted off Louisiana, destroying the Deepwater Horizon drill rig and killing 11 men aboard.

CNN: Ice floe halts Shell's new Arctic well

Shell says it's working at far less depth and lower pressures than the BP well that erupted off Louisiana, killing 11 men aboard and unleashing an undersea gusher that took three months to cap.

CNN: Alaska drilling rig towed to harbor off Kodiak Island