pebble coal的相關(guān)資料：
臨近單詞
pebble
Pebbles ground on the beach
pebble bed reactor experiment
pebbles of radiolarian cherts
pebble-bed gascooled reactor
pebble-bed gas-cooled reactor
pebble-strewn deflation pavement
pebble contact biological oxidation
Pebble bed high temperature reactor
pebble modular high-temperature gas-cooled reactor
