An animal experiment and clinical investigations have been done to choose a suitable negative pressure of closed suctiondrainage of the peritoneal cavity.
在动物实验和临床观察基础上,探讨腹腔负压引流适宜的负压值。
2
The double acting reciprocating mud pump one time every two suctiondrainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
3
Based on the analysis of the gas migration law, it has proposed an idea of "gas drainage under suction in goaf" so as to provide some new theoretical basis for the performance.