h an H-beam steel H形钢条。 an H-Post H形电杆。 drop one's h's 不发h音〔如伦敦方言中把 hat 读作'at 〕。 H hour 【军事】发起攻击的时间;特定军事行动开始的时刻。 = 【电学】 henry; 【化学】 hydrogen; 【物理学】磁场密度 (intensity of magnetic field), 地磁水平分量 (the horizontal component of terrestrial magnetism); 〔表示铅笔芯硬度的符号〕= hard(ness); 〔俚语〕heroin. H1 = 【化学】protium. H1+ = 【物理学】proton. H2 = 【化学】deuterium. H3 = 【化学】tritium.
Welded light gauge h steels for general structures 一般结构用工字型轻型焊接钢材
Hardenability bands for carbon and alloy h steels 碳素钢和合金工字钢的可淬透性带
The t - section steel which is cut lengthways from hot - rolled h steel is widely used because of it ' s high quality 由热轧h型钢纵向切开而成的剖分t型钢,因良好的效益而被广泛应用。
H steel , c steel manufacturing , processing and marketing ; metal plate payment processing and marketing ; metal corrugated tiles , caigang watt , metal materials , metal building materials , security doors and windows sales 钢、 c钢制造、加工、销售;钣金加工、销售;金属波纹瓦、彩钢瓦、金属材料、五金建材、防盗门窗销售。