English system短语¹⁴⁴⁹⁷²⁺² 基本英英近义反义例句 n.英制 Noun: a system of weights and measures based on the foot and pound and second and pint近义词British system英制 Pipe Thread Specification itself with old English system has unreasonable factors. 旧英制管螺纹标准本身存在不合理因素。 cnki