1) widened planer
宽式包床
2) widened planer
宽式刨床
3) wide-shallow riverbed
宽浅河床
4) widening of roadbed
道床加宽
5) wave-packet duration
波包宽度
1.
The relationship between the wave-packet duration of ultrasonic longitudinal guided waves with lower order and the inner-radius-thickness ratio(IRTR)of free pipes was analyzed at various propagation distances, various frequency-thickness products and various cycle numbers of the input pulse signal.
在自由管材的情况下,在各传播距离、各频厚积和各激发脉冲周数上,分析了内径-壁厚比和管材中较低阶纵向导波模式波包宽度的关系。
6) bedsted-wrapping paper
床包装纸
补充资料：沸腾床燃烧(见流化床燃烧)
沸腾床燃烧(见流化床燃烧)
boiling-bed combustion:see fluidized-bed combustion
沸腾床燃烧(boiling一bed eombustion)见流化床燃烧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条