Positioning plate is usually used in fixing the place of anode and cathode plate in electrobath.定位板主要是用来固定阳、阴极板在电解槽中的位置.Double shafts type unwinder with automatic positioning control, automatic tension control, automatic...
He seemed conscious of possessing a keener power of enjoyment than other people.他似乎意识到自己具有比别人更敏锐的鉴赏能力.Physical Properties - When freshly distilled, citral is an almost colorless oil possessing a characteristic lemon odor...