英语语法分析

So the length of handguard will partly depend on the gas tube system you have.

因此，护木的长度将部分取决于你气管道系统长度。

Safe operation, the both hands button, quickly rise protection, machine may add dress photoelectricity handguard.

安全操作，双手按钮，急升保护，机台可加装光电护手。

I've seen, in real life, an AK wooden handguard caught on fire after a few hundred runs of sustained automatic fire.

我看过，在现实生活中，AK 持续全自动射击时木制护木著火。