power tool 电动工具
cutting blade 锯片
demolition work 拆除工作
reciprocating motion 往复运动
1. He used a reciprocating saw to cut through the old wooden beam.
他用一把往复锯锯断了那根旧木梁。
2. A reciprocating saw is essential for rapid demolition in construction.
在建筑施工中，往复锯对于快速拆除工作至关重要。
A: Do you have a reciprocating saw in your workshop?
A：你的车间里有一把往复锯吗？
B: Yes, I use it whenever I need to cut metal pipes.
B：有，每当我需要切割金属管时都会用到它。
1) 往复锯
2) 震动锯
一种通过锯片快速前后往复运动来切割材料的电动工具
e.g.
The plumber used a reciprocating saw to cut the PVC pipe.
管道工用往复锯锯断了PVC管。
noun phrase
1. A power tool with a blade that moves back and forth to cut through various materials like wood or metal.