单词	级时间
释义	级时间stage time
随便看	compression pump compression rate compression ratio compression ratio-- cr compression ratio; cr compression refrigerating machine compression refrigerating machine--compression refrigerator compression refrigerating machine，compression refrigerator compression refrigerating system compression refrigeration compression refrigeration cycle compression refrigerator compression refuse collector compression release compression release valve compression resistance compression rib compression ring compressions compression-- scale compression scheme compression seals compression set compression settlement compression shock