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- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- lubrication ratio 润滑比
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Flushing lubrication oil(fuel oil) system of M/E. 主机滑油（燃油）管路投油清洗。
- Inspecting the oil level of motor lubrication. 检查发动机润滑油油面。
- It is suitable for grease lubrication only. 它只能用于滑脂润滑场合。
- Central grease fitting for lubrication of stem nut. 中心黄油嘴适用于阀杆螺母润滑。
- Better stem nut lubrication control. 更好的阀杆螺母润滑控制。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- We shall requiremore lubrication oil this month. 这个月我们需要更多滑润油。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The same applies for oil jet lubrication. 这同样适用于油喷润滑。
- Friction makes necessary a good lubrication system. 摩擦需要良好的润滑系统。
- The lubrication and other factors. 润滑和其它因素。
- The lubrication system has been discussed by us. 滑润系统我们已经讨论过了。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- Centralized lubrication with hand pump. 带手动泵的集中润滑
- Oil lubrication is commonly used while working. 使用时一般采用有润滑。
