背单词咯 1
abnormal wear 异常磨损 abrasive 磨蚀的,磨损的,磨料
acetate 醋酸盐,醋酸纤维素
access opening 入孔,检修孔
accumulator 累加器,蓄电器,活套
acetylene welding 乙炔焊
acid 酸
acknowledgment 承认,确认,答谢
acquisition 获得,获得物
activate 成立,创立,激活,刺激
activated 有活性的
actuator 传动装置,激活器,调节器
adapter 联接器,接合器,适配器
addition 附加(物);添加(物);增加(物)
adherence 粘附,粘着,坚持
adhesive 粘合剂
adjusting screw 调节螺钉,调节螺栓
adjusting wedge 调整楔
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