protective coat

基本解釋

Anthrax is a colorless, odorless, tasteless bacterium that protects itself from sunlight, heat and disinfectant by forming a protective coat.
炭疽熱是一種無(wú)色、無(wú)味的細(xì)菌。
The charcoal works have a different weight, partly due to the black colour, but also because they have a slightly watery sheen from the protective coat of resin, and due to their simple organic forms.
木炭作品的重量不一樣，一部分是由于黑色的緣故，但是也因?yàn)樗鼈冇幸粚颖Ｗo(hù)性的樹脂發(fā)出輕微的水樣光輝，并且也由于它們簡(jiǎn)單的有機(jī)式樣。
Flat and long-distance mining was used to mine underlying low burst coal protective coat, which released the pressure of 13-1 coal bed.
介紹了潘一礦采用近水平遠(yuǎn)距離開采下伏弱突出煤層保護(hù)層，達(dá)到對(duì)突出煤層13—1的卸壓；