To dive, oil is transferred from the external bladder to the internal one.
外阀门则在外部(通常在壳体的进水部位)。在下潜时,油从外部气泡传如内部气泡。
Check for a severe external oil leak that could reduce the pressure.
检查是否有导致减小压力的严重的外部油泄漏。
Water-proof for water tower, swimming pool, oil pool, toilet, internal and external wall and floor.
水塔、游泳池、油池、厕卫间及室内、外墙地面防水。
Water-proof for water tower, swimming pool, oil pool, toilet, internal and external wall and floor.
水塔、游泳池、油池、厕卫间及室内、外墙地面防水。
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