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流线型风格(名词解释)

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In order to discharge a CO2 portable fire extinguisher, the operator must FIRST ______.

A. invert the CO2 extinguisher
B. squeeze the two trigger handles together
C. remove the locking pin
D. open the discharge valve

In order to back a right-handed, single-screw vessel in a straight line, you will probably

A. very little rudder
B. some left rudder
C. some right rudder
D. full left rudder

In order for combustion to occur inside a piping system such as a vapor collection header

A. fuel
B. oxygen
C. ignition
D. All of the above

对农村五保供养对象、城乡最低生活保障对象以及因病造成生活特别困难并经当地政府批准的其他人员，参加居民基本医疗保险的个人缴费部分，通过城乡医疗救助等渠道予以资助。()