正确答案: B
Ⅰ+Ⅱ+Ⅲ+Ⅳ
题目:备车和机动操纵对柴油机动力装置的()直接影响。Ⅰ.可靠性;Ⅱ.经济性;Ⅲ.维修性;Ⅳ.使用寿命;Ⅴ.操纵技能
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学习资料的答案和解析:
[单选题]水润滑艉轴铜套接缝处可以采用()加工。
滚压
[单选题]船舶舵系是实现船舶()等操纵的航向控制装置。Ⅰ.转向;Ⅱ.前进;Ⅲ.后退;Ⅳ.掉头;Ⅴ.直航。
Ⅰ+Ⅳ+Ⅴ
[单选题]舵系运动件的同轴度检验采用()。
拉线法
[单选题]The development of oils () the increasing demands made by the steady rise in powers produced by modem diesels.
has kept pace with
[单选题]An advantage of aluminum pistons, when compared to cast iron pistons is ().
better heat conductivity