短語詞組短語lower -half-bit dropping 下半碼元丟失lower cylinder half 下半汽缸lower mould half 下半模;下模lower mold half 下半模Lower -Half Length Percentage 下部半長(zhǎng)百分比lower half bearing 軸承下瓦bearing bush lower half 軸瓦下半塊 返回 lower half