31.   Three tankers filled with propane gas exploded in the accident late Saturday.

32.   Other previous gas explosions were minor and related to propane gas, still widely used in major South Korean cities as home fuel.

33.   Other previous major gas explosions were minor and related to propane gas, still widely used in major South Korean cities as home fuel.

n. + gas >>共 187
greenhouse 37.57%
methane 7.98%
petroleum 4.38%
hydrogen 3.60%
chlorine 3.25%
sarin 2.68%
exhaust 2.33%
propane 2.33%
cyanide 2.05%
nitrogen 1.69%
propane + n. >>共 59
tank 27.02%
gas 10.25%
torch 5.90%
heater 4.97%
burner 4.35%
stove 4.35%
canister 4.04%
cylinder 3.11%
explosion 2.80%
company 2.80%
每页显示:    共 33