【电】 lock and block systerm
linkage
obturate; obstruction; obturation; occlusion
【化】 block
【医】 emphraxis; obliteration; obtunration; occlusio; occlusion
implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel
make; manufacture; restrict; system; work out
【计】 SYM
【医】 system
