刚架右上结点的转角φ为()。<img src='https://img2.soutiyun.com/shangxueba/ask/1845001-1848000/1845958/ct_jgzjgyxm_jgzjgyxchoose_00224(20093)1.jpg' />

A.<img src='https://img2.soutiyun.com/shangxueba/ask/1845001-1848000/1845958/ct_jgzjgyxm_jgzjgyxchoose_00224(20093)2.jpg' /> B.<img src='https://img2.soutiyun.com/shangxueba/ask/1845001-1848000/1845958/ct_jgzjgyxm_jgzjgyxchoose_00224(20093)3.jpg' /> C.<img src='https://img2.soutiyun.com/shangxueba/ask/1845001-1848000/1845958/ct_jgzjgyxm_jgzjgyxchoose_00224(20093)4.jpg' /> D.<img src='https://img2.soutiyun.com/shangxueba/ask/1845001-1848000/1845958/ct_jgzjgyxm_jgzjgyxchoose_00224(20093)5.jpg' />

时间:2023-01-18 10:47:26

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