spacer block定准: established standard surely; ...定准: 1.(确定的标准) established standard2.(一定) surely; certainly砌块: block pavement; building blocks; building tile; masonry unit标准砌合: normal masonry bond衬砌块: lining segment下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:定准砌块，即可在微信中查询翻译
