When the content of the fine material in the slag reaches 28%, the slag is the most vulnerable to start.

当试验中细粒物质含量占到总量的28%时，起动所需水量最小。

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When the content of the fine material in the slag reaches 28%, the slag is the most vulnerable to start.

当试验中细粒物质含量占到总量的28%时，起动所需水量最小。

youdao