Where should the valves be placed?
阀门应该放在哪里？
These WATTS valves should never be used to provide "anti-scald" or "anti-chill" service.
这些美国瓦茨阀门绝不能用来提供“防烫伤”或“防冻伤”功能。
Decellularized porcine heart valves were prepared by using Trypsin-ethylenediamine tetraacetic acid and DNase.
利用胰酶-乙二胺四乙酸、核酸酶处理猪心瓣膜制备脱细胞支架。
可以买蒸汽阀。
Keeping access to valves and cleanouts.
留出阀门和清洁口的通道。
Install thermostatic valves on your radiators.
在散热器上安装温控阀。
The heart can be safely opened and its valves repaired.
心脏能安全地打开，其瓣膜能安全地修复。
Introduce the structure and classes of ceramic valves.
介绍了陶瓷阀门的结构及其分类。
However, these pumps are disconnected from the system by cutoff valves.
然而这些水泵与系统的连接被关闭阀断开。
These valves have four or five pipe connections, commonly called ports.
这些阀门有四个或五个管道连接，通常称为端口。
Concerns about hydrogen gas valves inside Discovery already had forced a one-month delay.
对于发现号内部氢气阀问题的关注已经导致发现号延迟发射一个月了。
Fire safety is highly respected here - red fire extinguishers and valves can be seen everywhere.
在这里，人们非常重视防火安全——红色的灭火器和阀门随处可见。
Unscrew the aerator from the faucet, turn the water on at the shutoff valves, and open the faucet.
松开水龙头的透气口，打开总阀送水，打开水龙头。
Every living space has a supply air valve; the bathroom and kitchen also have exhaust air valves.
每个生活空间有一个供应空气阀；厨房和卫生间也有排气空气阀。
It has several compartments linked by valves, and it is carefully calibrated to the body's temperature.
它还有几个由阀门连接的隔间，其温度被精确控制到和人体温一致。
Sodium infill valves are not a new concept, but in the past they have been extremely costly to build.
中空充钠气门并不是一个全新的概念，但是过去他们造价高昂。
Check valves should be located as far away from equipment such as pumps and compressors as possible.
止回阀应该安装在距离其他设备，如泵和压缩机等，尽可能远的地方。
We will continue to closely monitor the two valves of approval for land use and availability of credit.
继续把好土地审批和信贷投放两个闸门。
Comments: When working with these valves it is very important to use good cylinder change out procedures.
评论：当与这些阀门一起工作时，使用良好的钢瓶更换程序是非常重要的。
But if one of the pumps fails, they may still have to make a call: not all the valves can be remotely controlled.
但如果有一台水泵出现了故障，他们可能还是要拨打电话，因为有些阀门还没有实现远距遥控。
Consists of four Chambers with one-way doors (valves) between to direct the blood to flow in a specific direction.
包含四个带有多个单方向“闸门”(瓣膜)的腔体。瓣膜的作用是引导血液流向一个特定的方向。
rheumatic heart disease – damage to the heart muscle and heart valves from rheumatic fever, caused by streptococcal bacteria
风湿性心脏病——由链球菌造成的风湿热对心脏肌肉和心脏瓣膜的损害
rheumatic heart disease – damage to the heart muscle and heart valves from rheumatic fever, caused by streptococcal bacteria
风湿性心脏病——由链球菌造成的风湿热对心脏肌肉和心脏瓣膜的损害
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