传感器正面与背面 — [HTH-2土壤热通量板] HTH-2土壤热通量板 — [HTH-2土壤热通量板] 土壤热通量观测 — [HTH-2土壤热通量板] 地铁内壁热导率测量 — [HTH-2土壤热通量板] HTH-2土壤热通量板尺寸图 — [HTH-2土壤热通量板] HTH-2土壤热通量板安装示意图 — [HTH-2土壤热通量板]