1. a main (as in a sewer, gas, electrical, or drainage system) having a number of lesser mains feeding into or branching from it but being itself subsidiary to a larger main
submain 片语
片语
submain minors次主子式
submain sewer污水次干管桿件
submain canal[水利]
Submain unit支管单元
submain WESTBANK地下干管
submain sewer WESTBANK污水次干管桿件
salt water submain海水支水管
best submain position最佳支管位置
submain 例句
英汉例句
Two grades optimal design of submain manifold for sprinkle irrigation
用两级优化法进行喷微灌配水支管设计
Optimal design for the best submain position of micro-irrigation on slope with paired laterals by genetic algorithms