正确答案: A
螺栓
题目:安装法兰时,应将()穿入所有孔中,然后用安全工具拧紧。
解析:A
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学习资料的答案和解析:
[单选题]Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?
Transmit heat from the piston to the cylinder liner
[单选题]利用水灭火应注意船舶的______。
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