问题描述：
[单选]
To avoid scavenge fires occurring the engine timing and equipment maintenance（）．
A．should be correctly carried out
B．should correctly be taken place
C．should carded with care
D．must to carry out with great care
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of（）and detergency．
下一篇：To avoid scavenge fires（）the engine timing and equipment maintenance should be correctly carried out．
- 我要回答: 网友(216.73.216.29)
- 热门题目: 1.当气阀阀面烧穿出现边缘孔洞时 2.排气阀阀杆磨损超过标准要求时 3.排气阀阀面磨损严重时，采用（