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- Ventiduct roadbed is a active cooling foundation to resist thaw,and much experience of application has been obtained. 作为一种有效的主动式冷却路基，通风管路基的应用已经积累了不少经验。
- Active cooling when the firing chamber is closed 焙烧室关闭时主动冷却
- Active cooling when the firing chamber is open 焙烧室敞开时主动冷却
- Gun Tube Active Cooling System Design for Large Calibre Self-propelled Howitzer 大口径自行榴弹炮身管主动冷却系统设计
- In cooling, the rivet contracts. 铆钉在冷却时会收缩。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- A cooling drink is welcome on a hot day. 在热天清凉饮料很受欢迎。
- Mueggenburg H H,Hidahl J W,Kessler E L.Platelet actively cooled thermal management devices[R].AIAA 92-3127. 吴慧英;邓澍.;层板推力室发汗冷却壁温的数值模拟[J]
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- Steam condenses into water when cooling down. 蒸汽冷却时凝结成水。
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- Not requiring water, as a cooling system. 不需水的，如一冷却系统
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- He was disabled when on active service. 他在战斗中受伤致残。
- Ms. Brown is active in the party. 布朗女士在晚会上很活跃。
