upstand
美
英 
例句
step irons with upstand for staggered manhole steps - part 2 : step irons to be set into prefabricated concrete units
人孔直立錯列階梯腳扣.第2部分:澆入混凝土預制件的階
Step irons with upstand for staggered manhole steps - Part 1: Step irons to be fitted in masonry or set into concrete
直立雙行程階梯腳扣.第1部分:砌墻或澆灌混凝土的階梯腳扣
step irons with upstand for staggered manhole steps - part 3 : bolted - on step irons
錯列人孔直立式階梯腳扣.第3部分:螺栓連接的階梯腳扣