【单选题】Each type of engine has its applications, which on board ship have resulted in the slow-speed main propulsion diesel operating ______cycle.
B.
both on two-stroke and on four-stroke
D.
either on two-stroke or on four-stroke
【判断题】在高调作品中,浅淡的色调在面积上占有绝对的优势,但其黑色部分亦应充实饱满。
【简答题】听写以上音频文件中的内容,请将答案写在输入框中。 提交答案后,可以查看标准答案。
【单选题】( )后,逐渐形成魏,蜀,吴三国鼎立的局面。
【单选题】Each type of engine has its applications which on board ship have resulted in the slow speed main propulsion diesel operating _____cycle.
D.
either on the two-stroke or on the four-stroke
【单选题】Each type of engine has its applications, which on board ships have resulted in the slow speed main propulsion diesel operating cycle.
D.
either on the two-stroke or on the four-stroke