For instance, when using flat - bottomed cutter to process curved surface, negative margin cannot be offered.

如在使用平底刀做曲面加工时, 不能给负余量.

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Nautical A small, flat - bottomed fishing boat with a lugsail on a raking mast.

平底(渔)船:小型平底鱼船,在倾斜桅杆上有四角帆.

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COLO - 16 cells were inoculated in 96 - well flat - bottomed plates at a concentration of 5 x lOVml.

COLO -16细胞以5×10~4/孔密度接种于96孔细胞培养板上.

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