A、循環(huán)氫摩爾數(shù)與反應(yīng)進(jìn)料摩爾數(shù)之比 B、補(bǔ)充氫摩爾數(shù)與反應(yīng)進(jìn)料摩爾數(shù)之比 C、循環(huán)氫摩爾數(shù)和補(bǔ)充氫摩爾數(shù)之和與反應(yīng)進(jìn)料摩爾數(shù)之比 D、循環(huán)氫流量與反應(yīng)進(jìn)料的流量之比
A、95% B、95.7% C、96% D、96.8%
A、≧87% B、≧92% C、≧95% D、≧96%