bottom plate screw

例句：

1. 1.The engineer used a bottom plate screw tohold the machine together.
   工程师用一个底板螺丝将机器固定在一起。
2. 2. The carpenter tightened the bottom plate screws before painting the cabinet.
   木匠在涂漆前紧固了橱柜的底板螺丝。
3. 3. The construction worker used a bottomplate screw to secure the wooden beams.
   建筑工人使用底板螺丝来固定木梁。