
【名词&注释】
针灸疗法(acupuncture therapy)
[单选题]溢油在海面消失的时间主要取决于_。
A. 溢油量
B. 油的理化特性
C. 气候
D. 海况
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举一反三:
[单选题]When adding oil to a refrigeration system, precautions must be taken to ensure that
A. the compressor suction pressure is not too high
B. all air is purged from the pump and charging fittings
C. the high pressure cutout switch is held open to prevent accidental starting
D. the condenser is completely shutdown first
[单选题]船上对肾绞痛主要治疗是解痉止痛,其方法为______。
A. 药物止痛
B. 针灸疗法
C. 穴位注射
D. 以上都是
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