短語詞組短語line lock of bearing 走向線true line of bearing 真方位線line of bearing wells 出產(chǎn)井排line of constant bearing 固定方位線;等方位線line of equal bearing 等方位線first line of constant bearing 等方位角第一線influence line of bearing reaction 反力影響線bearing line of position 方位位置線 返回 line of bearing