air barrier
常見例句
- Inflatable packaging uses air pressure to secure and hold products in place inside the shipping container and provides an air barrier of cushioning.
充氣包裝利用氣壓來牢固及維持貨件於托運容器內(nèi)的位置，竝提供一個氣墊。 - Theseresults suggested that the concentration curve was determined mainly by the THOtransport across blood-air barrier in the primary pulmonary circulation.
結果說明呼出氣氚水濃度曲線是氚水經(jīng)肺首次循環(huán)時透過血-氣屏障的轉移所産生。 - Arithmetic mean thickness and harmonic mean thickness of blood-air barrier thickened with age increasing, and there were remarkable difference between neighboring two groups(P0.05).
黃牛的氣-血屏障的算術平均厚度和調(diào)和平均厚度均隨年齡增加而不斷增厚，且相鄰兩個組之間差異顯著（P〈0.05）。 - Mulch forms a barrier between the soil and the air.
- And in 2007 a survey of around 200 space companies by the Air Force Research Laboratory cited export controls as the highest barrier to foreign markets.
ECONOMIST: Space technology - In addition, EPA's and USDA's relevant authorities cover a range of natural resources and their supporting ecosystems, including waters, sediments, barrier islands, wetlands, soils, land management, air resources, and drinking water supplies.
WHITEHOUSE: Executive Order -- Gulf Coast Ecosystem Restoration - Preventing this process using an iron-free, corrosion-resistant alloy barrier is particularly important in a city like Boston, where the air is damp and laden with salt water.
ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt 返回 air barrier