It is about the ring screw thread smoke channel of the boiler shell type gas tube in the boiler field.

锅壳式烟管锅炉烟管内置水管的环形螺纹烟道，它涉及锅炉领域。

youdao

In northern Songliao basin there exist biogas, oil type gas, coal type gas and organic deep source gas.

松辽盆地北部天然气类型包括生物气、油型气、煤型气和有机深源气。

youdao

This paper takes a type gas turbine rotor as an example to analyze its natural frequency and modal shape.

介绍了某型燃气轮机转子模态试验，试验测得转子静态固有频率和模态振型。

youdao

About 52 percent believed that national regulations over a type of gas drilling known as hydraulic fracturing, or "fracking, " should be enacted, while 51 percent said the government should continue to subsidize the development of alternative energy sources such as wind and solar power.

NPR: Economists Were Opposed To Automatic Spending Cuts

Reports in the Russian media said that the Kremlin was considering a bailout-for-gas type of deal, where Russia would gain access to Cyprus natural gas reserves.

FORBES: Cyprus Gets Thrown New Life Line

Utilities could use a type of natural gas power plants that can turn on and produce power quickly to make up for any shortfall.

FORBES: Feds Fund Four Projects To Simplify Solar Gear Designs and Predict Power Output