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The bag is purged and filled with samples using a rubber squeeze bulb or other pumping devices.
先排空塑料袋，再用橡皮压挤球或者其它泵类装置将样品充入袋内。
youdao
-
The bag is purged and filled with samples using a rubber squeeze bulb or other pumping devices.
先排空塑料袋，再用橡皮压挤球或者其它泵类装置将样品充入袋内。
youdao