During prisoners' conjugal visits, for instance, cars of women visitors almost always are parked overnight in front of the prison, shielding cars surreptitiously equipped with recording equipment.
比如，在犯人配偶探监时，女性来访者的车几乎总是在监狱前停过夜，正好掩护那些暗中装有记录设备的车。
2
No leakage is always the pursuit of chemical equipment, it is this demand led to the magnetic pump and shielding the application of ever-expanding pump.
无泄漏是化工设备的永远追求，正是这种要求促成了磁力泵和屏蔽泵的应用日益扩展。
3
The leak of aperture is the main reason which affects the shielding effect. Therefore, the structure design of electronic equipment will directly affect its shielding effect.