1·Conclusions Pump implementation chemotherapy is superior to peripheral venous chemotherapy in preventing postoperative local recurrence and hepatic metastasis in patients with rectal carcinoma.
结论置泵灌注化疗在预防直肠癌术后局部复发和肝脏转移的治疗效果优于外周静脉全身化疗。
2·The system had the advantages of simple control, little peripheral, high performance and low price, which would meet the demands of the inverters using in fan and water pump.
本系统具有控制简单、外围电路较少、性能价格比高等优点，适合于风机、水泵用变频器的性能要求。
3·Through the design and experimental research of PLW-8 peripheral canned pump, the hydraulic design and structural design of this type of pump are introduced and the design main points are summarized.
通过对PLW - 8型旋涡式屏蔽泵的设计及试验研究，介绍了该类型泵的水力设计及结构设计，总结了设计要领，并将一些重要参数对泵性能的影响做了探索。