valves的中文翻译是什么意思
valves
n. 阀( valve的名词复数 ); 真空管; （管乐器的）活栓; （心脏的）瓣膜
valves的柯林斯释义
N-COUNT阀;活门
A valve is a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube.
N-COUNT（心脏的）瓣，瓣膜
A valve is a small piece of tissue in your heart or in a vein which controls the flow of blood and keeps it flowing in one direction only.
He also has problems with a heart valve.
他的一个心瓣也有毛病。
valves的场景例句
Well we need to put by £200 for the pump valves to be renewed.
我们需要存下200英镑以备更换水泵阀。
The heart has valves to let blood flow in and out of it.
心脏有瓣膜控制血液流进流出.
The engineering gang fell earnestly to work on jammed valves.
轮机组都起劲地埋头修理堵塞的阀门.
The two types of engine valves are intake and exhaust.
发动机气门的二种型式是:进气口和排气口.
Transistors have many advantages over the old - fashioned vacuumtube valves.
与老式真空管相比,晶体管具有许多优点.