她选了一间朝东的房间.She chose the room with an eastern exposure.她“选”了一间朝东的房间.She chose the room an eastern exposure.他们住在一间朝东的房间里.They lived in a room facing the east....
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 ...