结论:术后早期肠梗阻多发生于术后1 ~ 2周,与手术操作广泛、手术创伤大有关。
While in the micro, according to the modern enterprise system' s requisition, the petroleum enterprises are carrying out the shift strategy from extensive operation to intensive operation.在微观上,各石油企业也正按照现代企业制度的要求,实行从粗放经营型战略向集约经营型战略的转变。