为了清洁风扇，他正在拆解笔记本电脑。

He is ___disassembling the laptop to clean the fan.

工程师正在拆解这台机器以找出故障原因。

The engineer is ___disassembling the machine to find out what caused the malfunction.

程序员正在反编译这段代码以分析其功能。

The programmer is ___disassembling the code to analyze its functions.