正确答案: C
STCW规则中的有关建议和指导的内容在附则A部分中
题目:下列说法不正确的是_。
解析:C
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举一反三的答案和解析:
[单选题]Sealing in pump shaft is achieved by means of the ( ).
packing
[单选题]When the refrigeration demand is small,_______.
the expansion valve will move toward the closing position