以下是关于【热机的效率】的公开课/优质课视频，一共44个
37:4514-
40:30109 -
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44:3062 -
47:0720 -
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42:5330 -
45:4028 -
43:477 -
46:24135 -
46:13121 -
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45:3953 -
42:0638 -
31:5458 -
44:10138 -
35:0066 -
41:5282 -
39:5698 -
31:2080 -
40:4646 -
43:3899 -
40:58128 -
46:51127 -
40:0156 -
41:4476 -
44:2450 -
42:2693 -
34:1219 -
43:3012 -
45:0727 -
42:06132 -
38:208 -
38:0679 -
40:2082 -
39:5289 -
39:1838 -
41:43113 -
32:18110 -
43:4824 -
28:4347 -
36:4394 -
37:379 -
37:5495