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...
Sara was not amused by Franklin's teasing...被富兰克林揶揄之后，萨拉的脸上全无笑意。Playing with water can keep children amused for hours.嬉水能让孩子们开开心心玩好几个小时。The patient was amused at the music.听到音乐, 病人感到快乐。It was a challenge, keeping te...