What is an advantage of a steam turbine over a diesel for the main propulsion?（）

[名词解释题]土壤流失量

[单选题]血流速度增快，流量加大，彩色多普勒显像的血流信号将会有何变化（　）

[单选题]泵轴一般是用（）材料制成的。

[单选题]旅客持票等候通车后继续旅行时，可凭原票在通车（）日内恢复旅行。

[单选题]以下腧穴中，哪穴是肝的募穴？（　　）

[问答题]总结分析甲骨文的艺术风格？

[单选题]退出交互模式的shell，应键入（）。

[名词解释题]职业教育的总目标

[多选题]影响有效练习的因素有（　　）。

[单选题]患者，男，24岁，7个月前无诱因缓慢出现左胸电击样疼痛，夜间加重。4个月前左下肢进行性无力，1个月后右下肢无力，排尿困难。查体双上肢正常，左下肢肌力3级、右下肢4级，肌张力增高，腱反射亢进，双Babinski征(+)，T以下感觉减退。最可能的诊断是

[单选题]What is an advantage of a steam turbine over a diesel for the main propulsion?（）

[单选题]What is an advantage of diesel over steam turbine propulsion? （）

[单选题]For a generator engine, after passing through the turbine the exhaust gas may be...

[单选题]As for turbine oil, contact with water in the form of steam will be inevitable s...

[单选题]As for turbine oil, contacting with water in the form of steam will be inevitabl...

[单选题]As for turbine oil, contacting with water in the form of steam will be inevitabl...

[单选题]The power generated in the turbine must （） that required by the compressor.

[单选题]After passing through the turbine the exhaust gas is conducted out into the（）.

[单选题]After passing through the turbine the exhaust gas is conducted out into the（）.

[单选题]For a generator engine, after passing through the turbine the exhaust gas may be...