Objective To observe the effect of pain control by epidural anesthesia (PCEA) after cesarean section on parturient colostrum and intestine exhaust.
目的观察剖宫产术后使用硬膜外麻醉自控镇痛（PCEA）对产妇初乳分泌及肠排气的影响。
To solve the problem existing in charge work section, and exhaust the leakage in management, this system provides the oil machine's data automatic collection function.
为了解决加油站在加油收费环节中存在的各种问题，杜绝管理上存在的漏洞，本系统提供了加油数据自动采集功能。
The vertical section of the exhaust pipe immediately following the sea water entrainment must be straight. Elbows or other changes in direction will cause the sea water to drop out of suspension.
排气管垂直部分如果要迅速带走海水则必须是直管，转弯或其他改变方向的管路将导致海水留存。
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