词汇	checking line
释义	checking line n.检核线,检查基线
随便看	full speed ahead port full speed ahead starboard full speed astern full speed astern both full speed astern condition full speed astern port full speed astern starboard full speed condition Full speed drive full-speed forward full speed leased teleprinter channel full speed no load test full speed operation full-speed operation full speed range full speed running full-speed running full-speeds full speedsaturated steamturbine full speed saturated steam turbine full speed spread full-speed stages full speed/steam ahead full-speed steel blade full-speed stride