Objective To observe the effects of epidural anaesthesia (EA) and general anaesthesia (GA) on the changes of plasma epinephrine (E) and norepinephrine (NE) during laparoscopic cholecystectomy (LC).

目的观察在硬膜外麻醉和全身麻醉下，腹腔镜胆囊切除术中血浆肾上腺素（E） 和去甲肾上腺素（NE） 的变化。

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LC the final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming e. g. bending, expanding.

冷加工(软)最后热处理之后进行小变形量的冷加工，对钢管再加工时允许有限的冷变形(例如：弯曲，扩口)。

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Some e-commerce sites, such as LC International Inc. of Marlborough, Mass.

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