您要查找的是不是：
- optimal hydro operation 竞价上网
- He's mending nicely after his operation. 手术后他正在顺利康复。
- 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。
- 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。
- Modern vitrectomy is optimal operation for PVR. 现代玻璃体手术是治疗严重 PVR的理想术式。
- He heads up the operation in northern Europe. 在北欧他领导企业的业务活动。
- The hydro craft floated over the water. 水翼艇在水面漂流。
- I'll have an abdominal operation tomorrow. 我明天要做个腹部手术。
- The ergonomics of the new office were felt to be optimal. 新办公室工效设计因素感觉十分理想。
- Soon after, Norsk Hydro said it was bowing out. 不久，海德鲁就宣布退出。
- She's having an operation on her leg. 她的腿正在动手术。
- The new schedule come into operation on June 1st. 新的日程表是从6月1日开始实行的。
- An operation chamber should be completely sterile. 手术室应该完全无菌。
