in the main
1. 基本上
The letters, in the main, were from his father.
这些信大部分是他父亲写来的。
习惯用语for [in] the main1.■大致, 基本上, 大体上; 总地来说the Spanish M-1.■西班牙美洲大陆turn on the main1.■[俚]哭出来with [by] might and main1.■竭尽全力特殊用法air main1.■主风管air-line main1.■【采矿】主压气管道ballast main1.■压载水总管bilge main1.■舱底水总管, 疏水总管blast main1.■鼓风管, 主风管cargo main1.■货油总管collecting main1.■总管, 干管; 集流管, 集水干渠crossover main1.■桥管dead-end main1.■死头管direct-current main1.■直流电源distributing main1.■配电干线; (流体)输送干线; 给水总管dry main1.■干总管; 干馏气管electric main1.■电力干线equalizing main1.■平衡管道exhaust main1.■排气总管feeder main1.■馈电干线filling main1.■装油的干线force main1.■压力干管force-feed main1.■增压输送管路fuel main1.■(燃油)总管gas main1.■总气管, 煤气总管heating main1.■供暖干管, 暖气总管high-pressure main1.■高压总管[母管]high-tension main1.■高压馈电线horseshoe main1.■马蹄铁管(老式高炉上不连通的马蹄铁形环风管)hot-water supply main1.■热水干管hydraulic main1.■水压主管interconnection steam main1.■互联蒸汽总管neutral main1.■中(性)线oil drainage main1.■排油总管power mains1.■动力干线, 输电线; 电源, 供电网pump main1.■泵排出[输出, 导出]管pumping main1.■增压管路[总管]recirculating main1.■环流总管return main1.■回汽[回水]干管ring main1.■闭合[环状]干线service main1.■支[分]干线ship's mains1.■舰船电力网steam main1.■蒸汽总管stripping main1.■清舱总管suction main1.■吸入总[干]管supply main1.■馈电[供电]干线; 供应[给水]总管tar main1.■焦油总管theatre main1.■剧场干线town mains1.■城市(煤气)总管water main1.■给水干管[总管]windlass main1.■抽风总管, 大风道