正确答案: A

mmHg÷7.5=KpA

题目：记录血压的毫米汞柱（mmHg）与帕斯卡（KpA）其换算方法是：

解析：A

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举一反三的答案和解析：

[单选题]When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be______.

disengaging the clutch firstly, then stopping the main engine

[单选题]因各港口燃油质量相差很大，导致燃油质量发生很大的变化，当黏度变化太大时，可临时对VIT装置进行调节，将手柄( )，这样可使爆压提高，排温降低，改善燃烧状况，减少结炭。

向“+”方向调节，使喷油定时提前2-30

[单选题]气缸套内表面上的布油槽与注油孔成()

倾斜向下布置

[单选题]寒冷水域落水者保持HELP姿势的最大优点是：

减少体温散失

[单选题]safety net

安全网

[单选题]在正常天气下，直升机的最大活动半径为：

150～250海里

[单选题]修理过度磨损的钢质活塞环槽可采用_______方法使之恢复原始尺寸

光车＋镀铬

[单选题]When the machinery spaces are in the periodic unmanned condition, ____ shall be immediately available and on call to attend the machinery space

the designated duty officer in charge of the engineering watch