Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities.
氧或硅高形成氧化物或硅酸盐;
Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities.
氧或硅高形成氧化物或硅酸盐;
明:以上例句、词性分类均
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