conservation_of_weight_有道手机词典

1.The header has advantages of reasonable and compact structure, light weight, high economic returns, high efficiency and energy conservation.
它结构布局合理，结构紧凑重量轻，使用效益好，高效节能。
dict.yoduao.com
2.The utility model has the advantages of simple structure, light weight, material conservation, and convenient operation and reparation.
本实用新型结构简单、轻便，节省了原材料；便于操作、修理。
dict.yoduao.com