| 字词 | 三通 |
| 释义 | 三通 sān tōng {机} triplet; tee; tee joint; {工} wye; Y; yoke （指通邮、通商、通航） “three exchanges”: exchanges of mails, trade, air and shipping services; the opening of postal, aviation and navigational services and commercial interflow 三通分线管 Y-junction; 三通管 three-way pipe; single sweep tee; T-branch (pipe); three-limb tube; 三通换向旋塞 three-way reversing cock; 三通接头 three-way connection; T-connection; duplex fitting; tee fitting; 三通接线夹 three-way connector; 三通天线转发开关 triplexer; 三通筒 triple cylinder; 三通旋塞 three-way cock |
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