lower-molecular-weight component低分子量: low molecular weight组分: component; constituents低分子量组份: lmwc; low molecular weight component低分子量: low molecular weight◇低分子量化合物 low molecular weight compound; 低分子量聚合物 [化学] low-molecular weight polymer低分子量烃: low molecular weight hydrocarbon下载手机词典可随时随地查词查翻译