单词	直线特快车
释义	同直線特快車
随便看	upper culmination; upper meridian passage; upper transit upper curtate uppercut upper cut off frequency upper cut-off frequency uppercuts uppercutting upper cyclone upper darby upper datum mark upper dead center upper dead center，udc upper decision line upper decision line (udl) upper deck upperdeck upper deck door upper deck tonnage upper deck 上层 upper density upper derivative upper deviation upper devonian upper dharwar system upper diagonal-diagonal- lower diagonal