拔火罐拔出水泡谁知道怎么治育!紧急。
遇到紧急情况需要浮出水面的时候,潜水艇就会迅速升起,有时会因为冲力过猛而部分跃出水面。
In case of a need for emergency surfacing, submarines can rise so quickly that they are propelled partially out of the water.
遇到紧急情况需要浮出水面的时候,潜水艇就会迅速升起,有时会因为冲力过猛而部分跃出水面。
In case of a need for emergency surfacing, submarines can rise so quickly that they are propelled partially out of the water.
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