automatic drop box loom  自动升降梭箱织机

converter drop box  变矩器降压箱

drop box loom  升降梭箱织机

drop box motion  升降梭箱运动

drop box pinion  减速箱小齿轮

drop box pinion retaining nut  减速箱小齿轮固定螺母

eccentric drop-box motion  偏心盘升降梭箱运动; 偏心上下梭箱装置

reversible drop box picker  两用升降梭箱皮结

drop down box  降下盒

drop-down combination box  下拉式组合盒

drop-down combo box  下拉式清单方块; 下拉式组合方块

rock-socketed drop water box culverts  嵌岩式跌水箱涵

static pressure drop in the lower pipe box  下管箱静压降

box-box  订

box-box connection  双母螺纹接头; 批

Junction Box， Connection Box， Connector Box  分线盒

drop by drop  一滴一滴地

Box Body， Box Cover  盒体、盒盖

box-girder and box-pier  箱梁与箱形墩