He slipped and fell on an airplane gangway as the cameras rolled.在摄像时他不慎滑倒在飞机座位间的通道上。He slipped and fell on an airplane gangway as the cameras rolled...在摄像时他不慎滑倒在飞机座位间的通道上。Walking along the narrow gangway of the theater,...
本节只讨论其中的两类: 金属离子钝化剂和过氧化物分解剂.Only two types will be included in present discussion: metal - ion deactivators and peroxide decomposers.为方便起见,材料分为三大类: 金属, 塑料或聚合物和陶瓷.It is convenient to divide materials into three main types...