Seal performance tests and operation life simulation of various types of reciprocating seals can be done on this device.

可用于多种规格型式的运动密封，进行密封性能和使用寿命实际模拟试验。

youdao

His quality of life has improved dramatically since the operation.

手术后他的生活质量大大改善了。

《牛津词典》

Doctors have decided the only way he can live anything near a normal life is to give him an operation.

医生们已经确定了他能过任何接近正常生活的惟一方法是给他做个手术。

《柯林斯英汉双解大词典》

"I thought that the American medical system was going to take away my life savings and essentially ruin any prospects I had for a pleasant retirement after the operation."

VOA: standard.2010.04.08

First, you train yourself to recognize the evidence of his operation in your life.

NEWYORKER: Seeing and Believing

To see a child rescued from a life in the shadows by Operation Smile is to witness and share a joy that is life-changing.

CNN: Cindy McCain: John McCain speaks truth, at any cost

The firm said the cuts marked the end of a three-year programme to simplify its UK life and pensions operation.

BBC: Insurer Aviva to cut 1,100 jobs