一般宜小于25cmH2O （6）压力支持水平（pressure support level） PSV方式下使用。常用值5～30cmH2O 六、机械通气操作（三）参数设置（3） （7）呼气末压力值（PEEP或NEEP） PEEP值常在2～15cmH2...
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pressure support level
压力支撑等级
以上为机器翻译结果，长、整句建议使用 人工翻译 。
High blood pressure or headache: Support your head on a bolster or block, ears level between the arms.
高血压和头痛：用长枕或瑜伽砖支撑头部，耳朵水平的在两臂间。
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Even if pressure continues and the euro slips a bit farther, there seems to be a strong level of support near 1.4000, particularly as long as speculation surrounding a European Central Bank rate hike remains strong.
FORBES: Central Banks Take Center Stage In Currency Markets
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