instable造句
Gravel strata is a kind of typical
instable layer in drilling engineering.
卵砾石地层是钻探工程中常见的一种典型的不稳定地层.
The
instable voltage of grid shortens the service life of street lamps.
电网供电电压不稳定,致使路灯的使用寿命缩短.
Our budget shrunk because of the
instable situation.
因为局势的不稳定,我们的预算缩减.