梁鐵堅 的英文怎麼說
中文拼音 [liángtiějiān]
梁鐵堅
英文
tiejian liang-
Engineers designed bridges to span the most treacherous area of permafrost and sank naturally cooled piping into the ground to keep the track bed frozen year - round, reducing instability
中國鐵路建設者們在永凍土地段設計了橋梁,堅固的水泥橋墩深深地埋在永凍土層里,克服了路基不穩定的難題。
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