... Pressure 缸径 Electrical gates 气动闸门 Pneumatic gates 手动闸门 ...
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electrical gates
电子门
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Consider what happened at San Jose State after the university last fall ran a test course in electrical engineering paid for by the Bill and Melinda Gates Foundation.
WSJ: Andy Kessler: Professors Are About to Get an Online Education
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