The next thing I knew he was placing his fists below my diaphragm and applying sudden, sharp pressure just below my rib cage to force the air out of my lungs in the Heimlich maneuver.
接着他的拳头在从我隔膜下方突然地打过来，突然的压力迫使我的胸腔压迫肺里的空气——是海姆利希手法。
The force mechanics of the wave and current acting on the Gravity Cage is rather complicated since the Gravity Cage is a kind of flexible floating structures.
对带底圈重力式网箱在纯波浪作用下的锚绳受力进行了研究，获得了锚绳受力峰值及相位关系的基本规律。
The cage mechanical model build by force method after compares several calculation methods. Introduced the stress and calculation process of cage in three working conditions detailed.
在综合比较各种计算方法的优缺点之后，采用力法建立了罐笼的力学模型，并系统分析了罐笼在三种工况下的受力情况，给出了详细的计算过程。
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