片语
back pressure gauge吸入压力表
back-scattering gauge反向散射测量计
back gauge Rang后挡料范围
Back-gauge Motor Power后档料电机的功率
Adjustment Range of Back-gauge后档料范围
blowout-back pressure gauge高压压力表
back gauge adjusting motor后挡料调整电机
Back roller gauge后罗拉隔距
edge distance[电] 边距