閉合管道英文怎麼說

閉合管道 的英文翻譯

閉合管道 例句

1. The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal
   （先天性） 閉 鎖，無孔正常的身體孔或 管 道 ，如肛門、腸或外耳 道 的缺失或 閉 合
2. This composite pipe has its shell constructed with metal with brackets by point welding u - shape tortoise shell network in the inner wall and stuffed with rare earth wearable materials making the pipe enjoy better anti - eroding and wear resistant capability
   本產品是以金屬為殼體， 管 內壁點焊u型或工型龜甲網作為支架，龜甲網內填充稀土耐磨材料的復 合 管 道 ，具有更好的抗耐磨、抗沖刷性能。
3. Based on physical experiments, establishing mathematical model, carrying on theoretical calculations, and contrasting experimental results with theoretical ones, it turned out that under the same initiate flow rate, the quicker the closing of the ball valve, the longer the stable time when the liquid gets to vaporizing pressure, and the bigger the water hammer in water interception collision ; under the same closing velocities of the ball valve, the larger the initiate flow rate, the longer the stable time when the liquid gets to vaporizing preesure, and the bigger the water hammer in water interception collision
   在試驗研究的基礎上，建立了含氣水錘數學模型，進行數值計算，並與試驗結果進行了比較，結果表明，在 管 道 初始流量相同的情況下，球閥關 閉 速度越快，液體達到汽化壓力凡時穩定的時間越長，彌 合 水錘壓力也越大;在球閥關 閉 速度相同的情況下， 管 道 初始流量越大，液體達到汽化壓力凡時穩定的時間越長，彌 合 水錘壓力也越大。
4. District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - surveillance systems ; german version en 14419 : 2003
   區域供暖 管 .直埋式熱水供應網用預絕緣粘 合 管 道 系統
5. Plastics piping systems for renovation of underground gas supply networks - part 3 : lining with close - fit pipes
   地下氣體供給網路的翻修用塑料 管 道 設備.第3部分:緊配 合 管 道 襯

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