问题描述：
[单选]
The development of（）has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels．
A．water
B．fresh air
C．oils
D．gase
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：The diameter of the crank-pins should be measured with a（）．
下一篇：The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above？
- 我要回答: 网友(216.73.216.29)
- 热门题目: 1.关于产品的维佟性，指出哪个是 2.某柴油机的排气阀共有60套装 3.关于可靠性的规定（）。Ⅰ.“