异戊酰三氟丙酮...

electrovalency的音标：electrovalency的英式发音音标为：[elektrə'vælənsɪ]electrovalency的美式发音音标为：[elektrə'vælənsɪ]...

koval的音标：koval的英式发音音标为：['kɒvl]koval的美式发音音标为：['kɒvl]...

Electrovalency, the fetters and handcuffs that urine report develops.电价, 小水电发展的桎梏.Current, our country active electrovalency is by electrovalency sort and valuation means two parts are comprised.目前, 我国现行电价是由电价种类和计价方式两部分组...