单词 | Air-proof |
例句 | 1 The whole system is air-proof. 2 Good air-proof performance. The electrical parts inside the shell can be used safely. 3 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. 4 Adoption of top - quality insulating materials and highly air-proof design can avoid unnecessary loss of energy. 5 It is proved by the experiments that the quality of air-proof of the device is very important for realizing the non-oxidation healing. 6 With card-board, oil-cloth and canvas, she made the lattice-work air-proof and light-proof. |
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