辅基(prosthetic group)
煤炭的细碎指破碎至（）mm ["A、25-80","B、100-200","C、3-10","D、<0.5"]
便利店内的豆浆研磨机连续使用不能超过（）min ["A、5","B、4","C、3","D、2"]
根据售卖产品定时清洁饮料缸，装豆制品，奶制品的缸要（）小时拆缸彻底清洗一次。 ["A、5","B、4","C、3","D、2"]
“烟台金奖白兰地”酒度为（）度。 ["A、25","B、30","C、50","D、40"]
辅酶（coenzyme）
