Boltzn.博尔茨
boltn.门闩;螺栓;一卷布;弩箭v.(突然)逃离;闩住;狼吞虎咽;用螺栓固定adv.挺直地
bolting and spraying锚喷支护
Bolt out of the room从房内冲出
bolt- mesh-cable锚网索
bolt in double shear双剪螺栓
Boltzman rs constant波耳兹曼常数
bolt-spray network锚喷网
bolt-sphere joints螺栓球节点
bolt heading machine打螺钉头机,螺栓头镦压机
bolt connected joint螺栓接合
Bolt - shotcreting锚喷