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- maintain proper air purity 保持适当的空气纯度
- Maintains proper documentation for daily operation. 做好日常操作记录。
- Maintain proper alignment of head and neck with vertebrae, keeping trunk straight. 保持头、和脊髓在同一直面上，保持躯干正直。
- For these reasons, it is very important to maintain proper pressure in the tires. 由于这些原因,保持轮胎的正常气压是非常重要的。
- Maintain proper documentation and filing system on order processing, with high traceability and compliance to procedures. 保证所有文件根据有关的流程正确地归档。
- When grafts are taken, your doctor may periodically inject small amounts of saline solution into the scalp to maintain proper skin strength. 当采取移植、你们医生定期注入少量生理盐水到头皮保持皮肤的实力。
- The heating and thermostatic system inside the cabinet consists of the explosion-protected heater, proper air path and the temperature controlling devices at large. 电磁阀耐高温耐腐蚀，压力管路阀门及附件均为不锈钢材质。
- Do not buy more than 280 shares of the stock MSFT to maintain proper risk control and obey the “2% Per Trade Risk Rule. 不要购买超过280股微软的股票，以保持适当的风险控制和遵守“2%25的贸易规则风险。”
- Your car senses it, and the cruise control automatically decelerates to maintain proper and safe highway space between you and the truck. 你的车感，并在巡航控制自动减速，以保持适当的和安全的空间之间的公路和卡车.
- Say palpability maintains proper, can delay old year old. 说明了保养得当,可以延年长岁。
- We have carried off 3 points from Saint horse Metz, this is the good matter, we must maintain proper humble, then also has many competitions, but we cannot be lax. 我们还是从圣马梅斯带走了3分，这就是好事情，我们必须保持应有的谦逊，接下来还有很多的比赛，而我们绝不能松懈。”
- Always maintain proper personal hygiene, wash hands at all times. Cover your mouth when sneezing or coughing. Get vaccinated annually against human influenza. 始终保持适当的个人卫生，勤洗手。掩住嘴打喷嚏或咳嗽。每年注射流感疫苗对抗人类流感。
- These facts suggest that, at a minimum, proper airing of newly purchased goods with an obvious chemical smell is a wise precaution. 就这些事实看来，对于新买而有明显化学味道的东西，最少要有适当的空调是明智的预防措施。
- Third, proper airing of newly purchased goods with an obviously chemical smell is a wise precaution. 第三，适当的晾晒新买的带有明显化学品味道的商品。
- The primary goal is to maintain proper alignment at the head, torso and lower body, so as to minimize resistance and encourage the transfer of energy through muscle elasticity and coordination. 首要的目标是让头、躯干和下背部保持正确的线条，从而降低水的阻力，将肌肉协作和收缩的电能做为能量传递出去。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- To collect valuable data for the reference of logistic team leader. To maintain proper documents as required and file them orderly to supply accurate operation data for Customer Service Dept. 汇总整理有价值的数据进行分析并提出合理化建议，供快件物流作业主管参考。保留相关货物的单证，并有序归档，为客户服务部提供准确的作业数据
- To properly monitor and maintain proper control of the storage conditions, it is better to buy a better thermometer and hygrometer. 为了不差不天监测和保留不差把持的保不亡前提，最坏当一个较好的温度计和湿度计。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
