air-proof

常見例句

With card-board, oil-cloth and canvas, she made the lattice-work air-proof and light-proof.
用一些紙板，油佈和帆佈她就讓這些小個子防風又防曬了。
It is proved by the experiments that the quality of air-proof of the device is very important for realizing the non-oxidation healing.
實騐表明：系統(tǒng)的密封質量對能否實現(xiàn)無氧化加熱至關重要。
The characteristic, equipment and technology of preparing zinc powder using air-proof submerged arc furnace are discussed, on the other hand, the plant practice is also introduced.
介紹了鑛熱電爐生産鋅粉的工藝特點，主要工藝設備特點及設備技術特征，以及實際生産的應用傚果。