Water molecules there absorb the energy from the beam and convert it into heat that cuts or abrades .

水分子从那儿吸收来自光束的能量并将其转换成可以切割或打磨的热量。

Check into[whether friendly mount circle in the thumb latch in the air dishcarge thumb latch abrades or damages;

检查进[排气门和气门座圈是否磨损或损坏；