短語(yǔ)詞組短語(yǔ)displaceable meaning 位移義displaceable block 塊體displaceable piston 可置換的活塞vertically displaceable fan 可替換的立式風(fēng)扇disc cutter with displaceable blades 可轉(zhuǎn)位式盤(pán)形銑刀 返回 displaceable