According to the relation between hydrodynamic pressure fields causing by ship and its speed is close, the ship itself can be defended and pass the pressuremine district safely by limit the speed.
根据舰船水压场与航速关系密切的特点,可通过限速航行以实现舰船自身防护安全通过水压水雷区。
2
Pressure mounted Monday to launch a search for 29 men trapped in a New Zealand coal mine for three days since a gas explosion, but the mine remained too dangerous to enter.