single command的相關(guān)資料：
臨近單詞
single file
single
single-loop digital subscriber line
single layer latticed shell structure
Single-handed Dinghy Women-Europe
single-stage two speed supercharger
single-core XPLE cable metal sheath
single-arch four-lane road tunnel
single-cotton double-silk covered
single-phase regulating transformer
single-access single-distribution
Single-point velocity determination
