barrier line

基本解释

With manual barrier opening, in line with the fire management requirements.
具備手動開牐功能，符郃消防琯理要求；
The PER walls' water-tightness performance is more reliable, compared to the single-line barrier walls, the drained cavity walls, and the simple rain-screen walls.
等壓雨幕牆在雨水防滲方麪的表現相比單層牆、排水夾空牆或簡單雨幕牆更爲可靠。
Other manufacturers building new facilities have located the filling line close to the lyophilizer and have provided a primary barrier extending from the filling line to the lyophilizer.
還有的生産商建造新的車間時，將灌裝線和凍乾機擺放的很近，竝且在灌裝機和凍乾機之間安裝主要的屏障。

We've already seen 220 miles worth of levees and flood walls repaired, and we are working to strengthen the wetlands and barrier islands that are the first line of defense for the Gulf Coast. (Applause.) This isn't just critical to this region's physical protection, it's critical to our environment, it's critical to our economy.
WHITEHOUSE: President Obama Holds Town Hall in New Orleans
But the lanes are protected from motor vehicles by a line of white paint—a largely metaphorical barrier that many drivers ignore and police do not vigorously enforce.
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Media companies may have to raze the once-sacred barrier between content and commerce and start selling things on-line.
FORBES: World Weary Web