When preparing an engine for water temperature（）<br>A:should be kept at a proper level by a cooler<br>B:should be raised to about 80℃ by a heater<br>C:should be raised gradually<br>D:should be lowered to about 60℃

When preparing an engine for water temperature（）
A:should be kept at a proper level by a cooler
B:should be raised to about 80℃ by a heater
C:should be raised gradually
D:should be lowered to about 60℃

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252701】个 (题库试题定时更新)