短語詞組短語bleed plug hole 排放塞孔bleed d hole 排出孔bleed screw hole 排放螺釘孔air bleed hole 排氣孔;[科技]放氣孔air -bleed hole 放氣孔;排氣孔英語;排氣孔Air r bleed hole 排氣孔refrigerant oil bleed hole 致冷潤滑油泄放孔oil bleed hole 泄油孔reversing valve bleed hole 換曏閥泄流孔 返回 bleed hole