Data from a later mission indicates significant concentrations of hydrogen and by inference water less than a meter underground at both poles.
从后来的任务中得到的数据显示，在两极地下不到一米的地方有浓度相当高的氢，由此推断是水。
The value of the critical density is very small: it corresponds to roughly 6 hydrogen atoms per cubic meter, an astonishingly good vacuum by terrestrial standards!
临界密度的值非常小：它相当于每立方米约6个氢原子，从地球上的标准来看这简直是真空！
Also, data from a later mission indicates significant concentrations of hydrogen and by inference water less than a meter underground at both poles.
同样，最近的一项月球探测任务数据显示，那里氢气高度密集，据推测，两级的水就在地下不到一米处。
This meter suit oxygen, ethine, hydrogen and other pressure decompress installment, has decompress and pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter is suit oxygen, ethine, hydrogen and other high pressure decompress installment, has decompress and stead pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter is suit oxygen, ethine, hydrogen and other high pressure decompress installment, has decompress and stead pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
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