短语词组短语shrouded d turbine 闭式涡轮Shrouded turbine blade 带冠涡轮叶片;带冠的涡轮叶片shrouded turbine impeller 蔽式涡轮搅拌器turbine shrouded moving blades 涡轮带冠动叶片 返回 shrouded turbine