Lacrimal passages -block的用法和样例：
例句
- Combined intubation with injecting Ointment is a useful method to treat the obstruction of lacrimal passage.
泪道植管联合泪道注药治疗泪道阻塞是一种有效的方法。 - Lacrimal drainage system imaging by the digital subtraction dacryocystography provided reliable and accurate demonstration of lacrimal duct obstruction.
数字减影泪道造影术能够提供清晰的泪道图像并对泪道阻塞的部位及泪道改变作出准确的判断。
