您要查找的是不是：
- The Preliminary Operation and Sediment Silt Analyzes of Wanjiazhai Reservoir 万家寨水库初期运用及泥沙冲淤分析
- Preparatory activities and preliminary operations; 筹备工作与初步业务;
- Preliminary Operating and Maintenance Manual 初步操作与保养手册
- Preliminary Operating Capability 初始作战能力
- Preliminary Operating Safety Analysis 初步运行安全分析
- He's mending nicely after his operation. 手术后他正在顺利康复。
- Preliminary Operational Capability 初始作战能力
- Preliminary Operating and Maintenance Instructions 预备操作与维护说明书
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- A preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
- The operation went like clockwork. 手术进行得极为顺利。
- When does the new law come into operation? 这项新法律何时生效？
- She was keyed up over her impending operation. 她为了即将进行的手术而心中忐忑不安。
- The actual operation lasted eight hours. 实际手术进行了8个钟头。
- The surgeon is performing a delicate operation. 那位外科医生正在做一个很精细的手术。
- An introductory occurrence or fact; a preliminary. 开端预兆性事件或事实; 开端
- The attacks jumped of without the usual preliminary bombardment. 没有通常的预先轰击，进攻就开始了。
