“严密的”造句

水箱和屋顶都需要敷设严密的保温层。
Water tanks should be well lagged and the roof well insulated.

从防守高度严密的监狱的集体越狱
a mass breakout from a top security prison

这一地区周围设有严密的安全警戒圈.
There is a tight security cordon around the area.