frost bolt 中文意思是什麼
frost bolt
解釋
冰箭術-
Abstract : by using early - strength frost - resistant agent in consolidatinganchor bolt, extra early - strength frost - resistant thickener and special technology in shotcreting, the difficulty arising from freezing weather with an ambient temperature of - 10 - 18 was solved
文摘:介紹在環境氣溫- 10 - 18條件下,採用早強抗凍錨固劑固結錨桿、超早強抗凍粘稠劑和特殊工藝噴射混凝土,使隧道施工支護及時,解決了冬期施工噴錨難的老大難問題。
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