hardle下型锤hardadj.硬的；困难的；棘手的；坚强的；残酷的；用力的；液态的；严寒的；确凿的adv.努力地；强烈地；严重地；坚定地hard disk cloning硬盘克隆hard alloy cutter硬质合金刀具Hard - drinking酗酒hard-to-reachadj.难于接近的；难通过的hard contact lens硬性隐形眼镜hardboard machine硬纸板机,高压板机hard nut to crackph.hard facing alloy表面堆焊用硬质合金hard acceleration硬件加速hard alloy powder硬质合金粉末