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关注：1
2013-05-23 12:21
求翻译：二十年代后期，美国的市场开放，自动门开始被使用，受此影响，世界第一自动门品牌多玛在1945年开发出油压式自动门、空气式自动门是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
二十年代后期，美国的市场开放，自动门开始被使用，受此影响，世界第一自动门品牌多玛在1945年开发出油压式自动门、空气式自动门
问题补充： |
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2013-05-23 12:21:38
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2013-05-23 12:23:18
20 In the late 1950s, the United States market opening, automatic door start is used, under this impact, the world first automatic door brand Sodom in 1945 developed a hydraulic automatic doors, air-automatic doors
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2013-05-23 12:24:58
The 20's later periods, US's market opening, the automatic valve starts to use, this influence, world first automatic valve brand multi-Masurium is developed in 1945 the flowing tubing head pressure type automatic valve, the air type automatic valve
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2013-05-23 12:26:38
The late 20 's, United States market opening automatic doors began to be used, under the influence of this, the world's first automatic gate brand of Sodom in 1945 developed a hydraulic automatic door, automatic air door
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2013-05-23 12:28:18
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