题目内容
以下不影响人血浆中晶体渗透压的物质是
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What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last？________.
When steering by autopilot, how often should_______steering be checked？
Which of the following is defined as static information？___________.
Who must be familiar with the Masterlist and Emergency Instructions onboard？________.
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