The cylinder and piston must be warmed up （） to a temperature of about 140 degF in standing by engine.
A:repeatedly
B:quickly
C:gradually
D:immediately
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:【10252937】个 (题库试题定时更新)