gas valve

基本解釋

No gas valve shutoff present.
沒有天然氣截止閥本。
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Contractors are not allowed to use any kinds of installations as water , gas , valve , hydrant and electronic switches etc. without permission .
搭建方不準(zhǔn)擅自動用展館的各種工程設(shè)施（指水、氣、閥門、消火栓、電器開關(guān)等）。
With the method of industry design, I analyze and compare the mechanical systems, make out of the best design project, then lay the foundation of gas valve design from the angle of complement.
這裡應(yīng)用工業(yè)設(shè)計思想，從系統(tǒng)的角度出發(fā)對天然氣閥的機(jī)械系統(tǒng)進(jìn)行了分析比較，得出了最佳設(shè)計方案，爲(wèi)天然氣閥的設(shè)計奠定了基礎(chǔ)。

So the Joule free expansion involves opening this valve and asking what happens when this gas moves into the other bulb or distributes between the two.
焦耳自由膨脹就是,打開閥門後的過程,氣躰從一個腔跑到另一個腔,竝在它們之間平均分配。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選

Though a program displays panels showing all the critical processes of a real rig (fire and gas detectors, valve status, oil flow from the sea bed and so on), and then responds to the actions of the trainee by altering these displays appropriately, a human operator can intervene at any time if things seem to be going too smoothly.
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In other energy news, Federal Reserve Chairman Alan Greenspan told Congress yesterday that shrinking supplies of U.S. natural gas mean the nation must build more gas import terminals to create a "safety valve" that will help stabilize prices.
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Mike Schaffner directs information technology for the Valve and Measurement Group of oil and gas products and services company Cameron in Houston.
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