英德
有道
百度
谷歌
图片
维基
百科
直管
ascending pipe
chute
straight tube
chute
straight tube
- 根据产品生产的需要,我们将大型直管焊机改造为直、弯两用焊机。
In accordance with the needs of the production, we developed large pipe welder into a straight, bend dual-use welder. - 全通径：全通径直通式，阀门与管道或直管连接相通，截面积相等，流量损失为“0”。
Full-bore:full-bore straight-through type with connection between valve and pipeline or straight pipe,equal sectional area and "0" loss of flow. - 知道你快过生日了，想要什么礼物就直管说，说呀，快说呀………………短信看完，时效已过！
You know that fast birthday, what gift you want to say straight, it said, soon it said ... ... ... ... ... ... read text messages, the statute of limitations has expired!
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