direct sounder的相關(guān)資料：
臨近單詞
direct sum
direct
direct current electrominescent display
direct-injection marine diesel engine
Directed Energy Weapon Nears Production
Direct Measurements Explorer-American
direct-acting recording instrum-ent
direct satellite television broadcasing
Direct pressure steam heating equipment
direct line-to-line connection type
Direct melt condensation polymerization
Direct inspector to inspect products.
