1 The scourge of firedamp explosions caused by the miners' lights should have dwindled to nothing after the lamp came into use.

2 The explosive mixture of firedamp and air.

3 Rural firedamp construction welcomed unprecedented development opportunity.

4 Accordingly, the function that rural development uses firedamp new technology great, meaning is far - reaching .

5 The follow - up maintenance of firedamp pools is becoming the major problem firedamp pool quantity.

6 It is to popularize firedamp pool actively, change bavin burning a red-letter day,[] protect silvan natural resources.

7 Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.

8 The ammonia comes from firedamp fermentation has been determined by ammonium - gas - sensitive electrodes with satisfactory results.

9 This is the pool of the 2 nd firedamp that Chinese expert builds in Philippine country.

10 If firedamp absorbs type freezer and solar energy freezer. 4, small - sized, efficient Agricultural Machinery and Implement.

11 Farming ability cadre says, firedamp communicates this kind of affinity.

12 The pillars of coal left behind were compressed, releasing large amounts of an explosive mixture of air and methane called firedamp.

13 Methane is inflammable explosion hazard gas as the basis of mash gas, firedamp and rock gas.

14 In the middle of there is on bridge as the bright firedamp light like electric lamp.

15 This series distribution device is applicable for coal mine with firedamp or coal dust in the ambient.

16 Drink according to the circumstance with bicarbonate sodium, lactic acid natrium or methylic and amino firedamp treats 3 hydroxide.