单词	on sb's doorstep
释义	on sb's doorstep 🌏在sb的门口
随便看	sintering machine charge end sintering machine plant-tail section Sintering machine roasting sintering furnace sintering gas sintering-gas sintering gases sintering glassceramics sintering glass-ceramics sintering grate sintering grow sintering hardened alloy steel sintering-hardened steel sintering heat process sintering high temperature material sintering-HIP sintering igniter sintering ignition sintering ignition furnace sintering in air sintering index sintering in electric field sintering in equilibrium atmosphere sintering ingredients sintering inhibitor