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Ʒҹ˾Ը׻Һµ90ϲܹ׻պܴ׷¹ʡҺȾࡢɱߵȱļκʹٽһ׻ƼĦгõȲͿװΪɫڻɫϸܵ׻Ĥڴоиʴܵ㲿
2 Ҫص
2.1 ռ򵥡ڹۼٽۺͲ䶼ʹͬһƼҺĿɱ䶯Χ󣬲ÿ͵͹򻯡
2.2 ȶԺá٣NaNO2NaFкʣʹһʱֻ׻ɣŷţζкͶá
2.3 ׻ߡĤϸܣȣΪ޹һҵĺɫڻɫ׻ᾧʴܸߣ׻ɲͿװֻҪͻڴʴ
2.4 Һ׻ȶԺãʡԴ
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