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。
When the pump sets lose electricity during operation, for the sake of preventing pipe failure by negative pressure, installed a surge shaft at the head of the pipe line.
当泵组运行失电时，为防止负压对管道的破坏，在管道首都设置了调压井。
The difference often lies in the subtleties: economy of movement, preventing the pump, and maximizing recovery while climbing.
差距往往体现在细微之处：动作的经济性，防止充血，以及尽可能的促进攀登过程中的恢复效果。
The chamber comprises the die-casting unit and is equipped with the vacuum pump which pumps the chamber into vacuum for preventing the oxidation of the amorphous alloy.
以及腔室，在其中包括压铸单元并且安装有真空泵，真空泵将腔室抽成真空以防止非晶合金的氧化。
While vessel is in port cooling sea water is supplied by port service cooling sea water pump, Marine growth preventing system is very difficult to use and not safety for operation, to be solved.
船舶在港时，冷却的海水由港内海水冷却泵完成，很难启用海上防污系统且操纵不安全，待解决。
In order to get a good performance on preventing cavitation, the impeller of magnetic driving pump is designed in low-NPSHR method and variable-pitch inducer is installed.
为了获得良好的抗汽蚀性能，对磁力泵叶轮采取低汽蚀余量设计措施，同时配置变螺距诱导轮。
The accident is analyzed and the prevention method is provided, that is, preventing the pneumatic control valve of dilute salt solution pump from having breakdowns or changing the operating method.
分析了事故原因并提出避免事故的方法：避免淡盐水泵的气动调节阀发生故障或改变操作方法。
The accident is analyzed and the prevention method is provided, that is, preventing the pneumatic control valve of dilute salt solution pump from having breakdowns or changing the operating method.
分析了事故原因并提出避免事故的方法：避免淡盐水泵的气动调节阀发生故障或改变操作方法。
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