镭射钻孔的英文：
laser drilling

镭射钻孔
PCB电路板行业中的高精密钻孔设备;

laser是什么意思：
n. 激光；激光器；镭射器

I own a laser camera.
我有一架激光照相机。

A quite important application of lasers is in holography
激光的一个十分重要的用途是用在全息摄影方面。

Designed with a computer. Silenced by a laser. Built by a robot.
电脑设计，激光消音，机器人制造。

drilling是什么意思：
v. [drill] 的现在分词形式；钻孔，训练

The worker was drilling.
此工人在用钻孔机钻孔。

Drilling is performed with a rotating tool called a drill.
钻孔是用一个称为“钻头”的旋转刀具进行的。

Can you teach me the drill?
你能教我正确的作法吗？

pcb是什么意思：
Printed Circuit Board,印刷电路板

A unique two-stage process is being used to degrade PCBs in the river's sediments.
在河水沉积物中，降解PCBs是通过2个独特的步骤进行的。

Wastes streams (e. g. = clinical wastes, waste mineral oil, PCBs, etc. )
废物流(例如:医疗废物，废矿物油，多氯联苯，等等)

"PCBs don't break down in soils, water or air, but carry on accumulating."