在伟晶岩接触带,硫化物成分变为黄铜矿 、 针镍矿 、 黄铁矿及硫镍铁矿, 伴生有磁铁矿和赤铁矿.At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magnetite and hematite....
North American songbird whose call resembles a cat's mewing.北美洲鸣鸟,其叫声象猫.She looked back at him, mewing.它回头望了望他, 喵喵叫着.We heard the mewing of a cat.我们听到猫的喵喵叫声....
西维因烟剂防治效果为 31.51%,氯氰菊酯烟剂防治效果为97.68%.The control effect of DDVP . carbaryl and cypermethrin smoke agents were 95.85 % 31.51 % and 97.66 % respectively....