composition metal

基本解释

Direct and some metal composition chlorides of chlorine under the moist circumstance .
氯在潮湿的情况下直接与某些金属合成氯化物。
General bridge crane lifting trolley generally, bridges run organization, structure and composition of metal bridge.
普通桥式起重机一般由起重小车、架桥运行机构、桥架金属结构组成。
A method for quickly measuring the composition of metal comprises the following steps: A. placing: placing an integrated metal sample below an electrical sparkle generating hole;
一种快速测量金属组成的方法，该方法包括以下步骤： A。放置：将金属样品整块放在电火花产生孔下；
ip.com