grade of channel的意思|示意
美 / ɡreid ɔv ˈtʃænl /
英 / ɡred ʌv ˈtʃænəl /
信道等级
grade of channel相关例句
Check the dimensions of dug pipe channel, especially the grade level, inclination against design requirements, check to see whether the bedding is rammed hard enough.
检测开挖的管槽尺寸，特别是水平高程、斜度是否满足设计要求，垫层是否夯实。