不松弛的

With that in mind, here is one piece of freeware that may fit the bill.

与这一点，这里是一条免费的，可能适合该条例草案。

There were mainly shortcomings of condensate drainers on gas pipes due to using thermal insulation by steam.

煤气管道上的冷凝水排放器，传统上采用蒸汽保温，存在许多弊端。