Gear lubricants may congeal and channel in cold weather.天气冷时齿轮润滑油可能凝结而形成凹槽.In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝纱摩擦所起的作用, 要求用不带整理剂的纱作试验.Acting ...
"Kathleen" was, as its 1892 subtitle asserted, "An Irish Drama".正如1892年剧本的副标题所强调的，《凯瑟琳》是一部“爱尔兰戏剧”。The remaining provisions of subtitle C relate to standards and enforcement.小标题C的其余原则都与标准和执行有关.Ah! I don't know why th...