您要查找的是不是:
- Cadmium also consists in the industries as an inevitable by-product of zinc, lead and copper extraction. 工业生产中也会产生镉,提取锌、铅和铜的过程中必然会产生镉。
- The reserves of other 9 types,including lead and copper,constitute 30-50% of China's total,enjoying a comparative advantage. 铅矿、铜矿等9种矿产资源具有比较优势,储量占到全国的30-50%25。
- The reserves of other 9 types, including lead and copper, constitute 30-50% of China's total, enjoying a comparative advantage. 铅矿、铜矿等9种矿产资源具有比较优势,储量占到全国的30-50%25。
- The manganese,lead and copper in distilled spirit were determined by inductively coupled plasma mass spectrometry (ICP MS) with standard additions. 在ICP-MS基础上用标准加入法对白酒中的锰、铅、铜进行了定量测定。
- This method of sample preparation and determination for iron, manganese, lead and copper in wine were studied in this paper. 对测定葡萄酒中铁、锰、铅和铜的样品预处理方法和检测条件进行了研究。
- Along the Gambia river,the heavy minerals are characterized by the presence of ilmenite,rutile and zircon as well as accompanied native gold, lead and copper minerals, etc. 冈比亚河沿岸重矿物以钛铁矿、金红石、锆石为其特征,并伴有自然金、铅族、铜族等矿物。
- They are suited to measure the positive and negative pressure of gases and liquids which do not corrode copper and copper alloy and solder of lead and cause no explosion,and of those are neither crystallize nor solidy. 该系列仪表适用于测量无爆炸危险、不结晶、不凝固及对铜和铜合金不起腐蚀作用的液体、气体和蒸汽等介质的正负压力。
- a mixed concentrate of lead and copper 铜铅混合精矿
- An alloy of zinc and copper used as imitation gold. 铜锌合金作为仿金品使用的铜锌合金
- Mould casting and copper work of art. 模具铸造,铜工艺品。
- Lead and tin are malleable metals. 铅和锡是可锻的金属。
- Brass is an alloy of zinc and copper. 黄铜是锌和铜组成的合金。
- Development of Copper and Copper Alloy Corrosion. 铜及缓蚀剂的发展。
- Look, here are some shell money and copper coins. 看,这里是一些贝壳钱币和铜币。
- Lead and manage our Chongqing office. 领导和管理重庆分公司。
- Made of high quality aluminum and copper. 高质量铝和铜制做。
- Lead and manage the Finance Department. 领导及管理酒店财务部。
- Tin and copper are fused to make bronze. 锡和铜被?化制成青铜。
- His pockets are full of red lead and verdigris. 他的衣袋里装满铅丹和铜绿。
- Iron, silver and copper are metals. 铁、银、铜是金属。