groove width meaning in Chinese

槽宽
沟宽
坡口宽度

Quarry products . limestones . measurement of surface hardness groove width
采石场产品.石灰石.表面硬度测量
( c ) for the helical swallow - tailed structures with same groove width , the deep groove depth one which is suitable for the use in a interaction system of high power twts , has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles
（ 3 ）具有相同槽日宽度的燕尾形螺旋槽结构在槽深度较深情况下用作大功率行波管的互作用系统具有最大的耦合阻抗和最低的相速。