Bolto博尔托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Bolt reinforcement锚杆加固Boltzmann relation玻尔兹曼关系bolting sustaining锚注支护bolting cloth loom筛绢织机bolts washed gauze可洗纱布卷bolt for tool post刀架螺栓bolt all the flour仔细调查bolt joint support锚杆联合支护bolting-grouting锚注支护bolt and wire mesh锚网支护

1. The screw is a match for the nut.
   就像一个螺丝与一个螺母相匹配。
2. Better stem nut lubrication control.
   更好的阀杆螺母润滑控制。