N.P.T.是什么意思

网络释义

用法例句

Therefore,the conditions of temperature and pressure have especially important influence on the mechanical properties.

深部岩石处在一定的地质环境之中,其中温度和压力条件对岩石力学性质具有重要的影响。

normal pressure and temperature

额定压力及温度正常压力和温度

(chemistry) evaporating readily at normal temperatures and pressures.

（化学）在正常的温度和压力下容易蒸发的。

Evaporating readily at normal temperatures and pressures.

易挥发的在正常温度和压力下易挥发的

Normal ratings( pressures, temperatures, time setting, etc.) shall be durably marked.

译:正常极限.压力.温度.时间.将执久标示.

normal temperature and pressure

标准温度和压力标准温度及气压

formed into a mass by heat and pressure.

由温度和压力形成块的。

The temperature and pressure condition each other.

温度和压力互为条件。

The turbine and the boiler undergo thermal and mechanical stresses in the change from ambient temperature and pressure to a very high working temperature and pressure

汽机和锅炉在从环境温度变至非常高的工作温度和压力时要经受热和机械的应力。

3. The pressure of a gas is(directly) proportional to its absolute temperature when its volume remains constant.

当气体体积保持不变时,气体压力就和其绝对温度成正比。

Analysis on Abnormality Temperature of the Up Seat in Low-voltage Side of Transformer

电力变压器低压侧升高座温度异常的分析

Aneroid readings must be adjusted for temperature and humidity.

空盒气压计读数亦须作温度改正和湿度改正。

handling of temperature, pressure and humidity data

温度、压力和湿度的数据处理

the density of an ideal gas at constant pressure varies inversely with the temperature.

理想气体在不变的压力下密度与温度成正比。

bulb(of filled system thermometer)

（压力式温度计的）温包

Typically hydrogen is stored in pressure tanks as a highly compressed gas at ambient temperature.

常温下，氢气通常以高度压缩气体的形式，贮存于压力瓶中。

a substance that is liquid at room temperature and pressure.

在室内温度和压力下呈液态的物质。

a substance that is fluid at room temperature and pressure.

在室内温度和压力下可以流动的物质。

a substance that is a solid at room temperature and pressure.

在室内温度和压力下呈固态的物质。