单词	house to house HH
释义	house to house HH 门到门
随便看	catalytic hardener catalytic heater catalytic heat treatment catalytic hydration catalytic hydrocracking catalytic hydrodealkylation catalytic hydrodenitrification catalytic hydrodesulfurization catalytic hydrofinishing catalytic hydrogenate catalytichydrogenation catalytic hydrogenation catalytic hydrogena-tion catalytic hydrogenation apparatus catalytic hydrogenation deoxygenation catalytic hydrogen evolution catalytic hydrogenolysis catalytic hydrogenolytic cleavage catalytic hydrogen wave catalytic hydroisomerization catalytic hydrolysis catalytic hydrolysis distillation catalytic hydrolyzation catalytic hydroprocessing catalytic hydropyrolysis