hch中文什么意思
六氯环己烷；六氯化苯；六六六
例句与用法
更多例句： 下一页- A satisfactory theory must be able to explain why in methane the hch angles all have the characteristic tetrahedral value .
一个完满的理论必须能够解释甲烷中为什么所有HCH角都具有四面体的特性值。 - Determination of hch and ddt residues in foods
食品中六六六滴滴涕残留量的测定 - Determination of hch and ddt in feeds
饲料中六六六滴滴涕的测定 - Detection of hch and ddt in aquatic product by gas chromatography
气相色谱测定水产品中六六六和滴滴涕的残留 - Photocatalytic degradation of - hch affected by different components on surface of sediments in liao river
在辽河沉积物表面上光化学降解行为因素
