正确答案: D
Ⅰ+Ⅱ+Ⅲ+Ⅳ
题目:船舶油水分离器使用管理要点是______。Ⅰ、预热温度;Ⅱ、启动时的进水速度;Ⅲ、工作时的油层厚度;Ⅳ、定期清洗。
解析:D
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学习资料的答案和解析:
[单选题]“What _________ is today?” “It’s Sunday.”
day
[单选题]液压装置油温在( )℃以下,不允许启动。
-10
[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
heat conduction into the water jacket wall
[单选题]全体船员在听到消防警报后,应在_______内赶到现场。
2分钟