表面上的较浅的刻槽 、 刻痕或缺口.A shallow notch, cut , or indentation on a surface.该设备适用于钢管的现场刻槽.This plant is available for machining steel pipe's sample grooves in fieldwork.我们将在木头上刻槽.We will cut grooves in the wood....
The following details pertain primarily to the critical - depth flume.下面的详细说明主要是针对临界深度型水槽的.The complete length of the flume system is about 420 yards.溜槽系统全长约420码.Flume design has been generalized.水槽的设计已经统一化....
Galactic surveys show that distant galaxies are not as evenly distributed in space as theory predicts.对银河系的研究表明，遥远星系在太空中的分布并不像理论所预言的那样均匀。Galactic nebulas are masses of diffuse material within our galaxy.银河星云是我们星系中的一团团弥散物...