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- Beall's caged disc valve 比耳(氏)笼罩碟瓣:用聚四氟乙烯制成
- Beall-Surgitool caged disc valve 比-塞二氏笼罩碟瓣
- caged disc valve 笼罩碟瓣, 笼罩碟形瓣
- Among them 91 were replaced with tiling disc prosthesis, 20 with bioprosthesis and 4 with bileaflet disc valve. 替换侧倾碟瓣91例,生物瓣20例,双叶机械瓣4例。
- Rotary disc valve with freeze seal 带冻结密封的旋转圆盘阀
- In the paper,DTG？s starting and stopping movement on moving base is analyzed.The means of DTG？s caging is introduced,and the circuit of DTG？s caging on moving base is developed. 本文在对动基座上DTG启停运动进行分析的基础上，介绍了实现动基座锁定的思想与方法，并具体实现了由单片机完成的动基座上动调陀螺仪的启停锁定。
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- Okay, I used to beall crushed out on daniel. 好吧 我以前是对Daniel很着迷。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
- He earned four A's in the final examinations. 他期末考试四门功课得优。
- The Beatles were the pop idols of the 60's. 披头士乐队是六十年代人们崇拜的偶像。
- He returned to the fold at his 80's. 他在八十高龄又恢复原来的宗教信仰。
