After the replacement with modified concrete of chloroprene latex and epoxy cement mortar, no damages have been found after two years of operation.
通过采用氯丁胶乳改性混凝土及环氧砂浆面层进行更新改造，投用两年多，至今没有任何损坏。
Then soft magnetic metal powders with the Fe-Si-Al composition are employed in recent years, with the felt dope of latex or the epoxy colophony.
于是，近年来提出了使用橡胶或者环氧树脂作粘结剂的铁硅铝系软磁合金粉末。
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