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v.提議（proposition的現(xiàn)在分詞形式）...

propositioning的音標(biāo)：...

Positioning plate is usually used in fixing the place of anode and cathode plate in electrobath.定位板主要是用來固定陽、陰極板在電解槽中的位置.Double shafts type unwinder with automatic positioning control, automatic tension control, automatic...