a due valve的意思|示意

GERD is an ailment of the stomach and esophagus that occurs when stomach acid backs up into the esophagus due to a weak valve.

胃食管返流疾病通常由于瓣膜的虚弱而使胃酸倒流至食管，主要的症状为胃灼热。

The first delay was weather-related, the second was due to a faulty valve.

首次推迟是由于天气，第二次是由于阀门故障。

To avoid water damage or scalding due to valve operation, a drain pipe must be connected to the Pressure Safety Relief Valve and run to a safe place of disposal.

为了防止这种安全阀发挥作用造成水破坏或烫伤，必须在安全阀上安装排泄管道，将排放出的水引导到安全的排放地点。

If, as a living doormat, valve damage, or due to other reasons, led to pressure to increase exports and to permit more than a certain value, the safety valve will automatically open the exhaust.

如果由于活门垫、活门损坏或由于其它原因，导致出口压力自行上升并超过一定许可值时，安全阀会自动打开排气。

Additionally due to its compression ignition without throttle loss of valve throttle, it can make a higher heat efficiency.

又由于是压缩着火而且没有节气门的节流损失，可导致高的热效率。

The yield of a natural gas well in an oilfield dropped suddenly, which was due to the piston sheath of the choke valve breaking into three parts with two pairs of fractures after inspection.

某油田一天然气井的产量突然下降，经检查发现该井采气装置中的节流阀柱塞套断裂为三截，形成了两对断口。