词组、短语、俚语及习惯用语• permanent account
实帐户,永久帐户。• permanent address
永久住址,原籍。• permanent agreement
永久性协定。• permanent annual charge
为支付债务而按年提取的预算资金。• permanent assets
固定资产。• permanent aurora
气辉,夜大光。• permanent authorizations
永久性拨款授权。• permanent axis
恒轴线。• permanent casting
硬模浇铸。• permanent character
永久[恒定]特性。