sapropelic coal

石油词汇英语翻译(S) ... sapropel-type kerogen 腐泥型干酪根 sapropelic coal 腐泥煤 sapropelic rock 腐泥岩 ...

机械专业英语词汇-机械资讯-马棚网... ... sapromixite 藻煤 sapropelic coal 腐藻煤 saprophytic bacteria 就腐菌，腐生细菌 ...