“冀优Ⅰ型”日光温室新型骨架———“ＬＨＧ”无柱拱梁“ＬＨＧ”６５米无柱日光温室拱梁，是以居国内先进水平的高效能日光温室为基本模式，选用国内新开发的强度高于普遍钢筋２倍的冷轧钢筋和混凝土制成。梁身重１１５公斤；前后屋面截面分别为４５厘米×１０厘... “Ji-You-type” solar greenhouse new skeleton - “LHG” without column “LHG”  6  5 m columnless solar greenhouse arch, is home to the advanced level of high-performance solar greenhouse as the basic model, Selection of newly developed domestic strength is higher than the common steel 2 times the cold-rolled steel and concrete made. Beam weight 115 kg; front and rear roof sections were 4  5 cm × 10% ...