Can be installed or custom built non-return valve function of the valve.
可安装止回阀或订制自带止回功能的阀。
Of the valve function barrier, the aortic insufficiency was most frequent.
瓣膜功能障碍中主动脉瓣关闭不全检出率最高。
Plate connected with electric control valve which had large drift diameter, have three -position valve function.
板式连接大通径电控换向阀，有三位阀功能。
In addition, left ventricular ejection fraction remained normal and there was minimal impact on aortic valve function after TEVAR.
此外，随访期左室射血分数正常，术后主动脉瓣功能几无影响。
Verrucous vegetations are small and may produce a murmur but they do not interfere greatly with valve function and do not tend to embolize.
疣状赘生物能产生心脏杂音，但他们很小，一般不影响瓣膜功能和不造成栓塞。
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
Varicose veins are veins venous valve function damaged, mostly congenital causes, and long standing or long time to maintain a posture is its inducement of.
静脉曲张主要是血管中静脉瓣功能出现损坏，多是先天性原因造成的，而久站或长时间保持一个姿势只是它的诱因之一。
Echocardiography is now the most important noninvasive technology in assessing prosthetic heart valve function, especially transesophageal echocardiography.
目前超声心动图是临床上评价人工心脏瓣膜功能的最重要的无创性技术，尤其是经食管超声心动图。
Slide valve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
In the pipe system, the main function of the valve actuator to receive control signal.
在管道系统中主要起调节作用，阀门执行机构接收到控制信号。
The valve group is provided with the function of pressure compensation, which keeps the speed stable, not influenced by external load.
由于我司生产的抓斗阀组带压力补偿功能，流量跟外负载无关，速度不随负载波动。
The international famous brand development, the proportion of oil pump valve, solenoid valve, hydraulic parts, hydraulic control function is good.
选用国际知名品牌油研的油泵、比例阀、电磁阀等液压配件，良好的液压功能控制。
The unit which consisted of two peristaltic pumps and a multi function sampling valve was controlled by a single chip microprocessor.
该仪器采用二泵一阀系统，由单片机控制，具有双路信号实时采集和数据处理功能。
The function of the valve is to release any excess pressure from the system caused by thermal expansion of the water.
这种阀门的作用在于释放由于水的热膨胀导致的过大的压力。
The percutaneous transpopliteal vein retrograde venography can observe the function of vein valve and the degree of regurgitation with valve dysfunction.
经皮腘静脉穿刺下行性造影可了解瓣膜的功能及功能不全的倒流程度。
An often overlooked function of oil is ring and valve sealing.
一个经常被忽视的功能是环和油阀密封。
The reservation of public order has a function to eliminate some dangerous potentiality in the conflict rules, and it exists as a safe valve of private international law.
公共秩序保留具有消除隐含在冲突规范中的某种危险性的功能，并作为国际私法的安全阀而存在。
This steering valve has the advantages of compact structure, easy processing, better function, flexible installation, etc.
这种操纵阀具有结构紧凑、加工容易、功能好、安装位置灵活的优点。
OBJECTIVE To evaluate the effect of modified ultrafiltration on pulmonary function after cardiac valve replacement.
目的观察改良超滤对心脏瓣膜置换术患者肺功能的影响。
Physical model of working procedure is established for rear absorber of the Xiali car of which the function of throttle valve during rebound and compression processes has been analysed.
通过对夏利轿车后减振器拉、压过程中节流阀的作用的分析，建立了该减振器工作过程的物理模型。
Return mechanism: the return driving assembly has long service life design of back stop valve and shock-absorbing function, offering easy operation.
回转机构：回转驱动总成具有反转防止阀和减震功能的长寿命设计，操作更方便。
It suggest that after valve replacement, though the recovery of heart function was promoted, the improvement of microcirculation was delayed and not as good as expected.
从而论示风心病心瓣模替换术后，虽促进了心功能的进一步恢复，但其微循环改善较迟和不理想。
What is the control function of the valve?
阀门的控制功能是什么？
The function of relief valve on valve regulated lead acid batteries and influential factor for determining opening pressure was discussed.
讨论了安全阀在闹控铅酸蓄电池中的作用和确定开阀压力应考虑的因素。
Objective To investigate the effects of low tidal volume ventilation on pulmonary and cardiac function before and after mitral valve replacement.
目的以心输出量和肺换气功能为指标研究低潮气量通气对瓣膜置换病人心肺功能的影响。
It is different from the ordinary two-way valve in structure because of its particular demands of function and performance.
由于其特殊的功能要求和性能要求使其在组成和结构等方面有别于常规的两位两通阀。
The function of intermission valve in intermission convey system and main technical requirements of sphere core are introduced. The key process for sphere core's making is studied.
简要介绍了间歇阀在间歇式输送装置中的作用以及球面阀芯的主要技术要求，探讨了球面阀芯关键部位的加工工艺。
High order valve CAM is a kind of integral function CAM and used widely.
高次方凸轮是目前应用较广的一种整体式函数凸轮。
High order valve CAM is a kind of integral function CAM and used widely.
高次方凸轮是目前应用较广的一种整体式函数凸轮。
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