... pad 垫圈,衬垫,衰耗器,轴瓦,推力瓦,焊盘,焊接点,底座 pad layer 焊接层 pad mounted 底座安装型 ...
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basic pad layer concrete 垫层混凝土
replaced soil as pad layer 换土垫层法
unplated multi-layer pad detected 检测未电镀多层垫
Layer Pad 单元货物层垫
DOUBLE LAYER SANITARY PAD 双层卫生护垫
·2,447,543篇论文数据，部分数据来源于NoteExpress
First, the team measured the thickness of the fluid layer between the toe pad and the Petri dish that the frog was standing on.
ECONOMIST: How tree frogs keep their grip
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