pipe branch的用法和樣例：
例句
- The inside of the branch pipe needs welding and grinding.
支管內部需補焊打磨。 - By dividing an extraction zone into a finite number of segments, an analysis for each segment is based upon a direct application of the duct branch with uniting flow.
方法的要點(diǎn)是利用風(fēng)道支管流量和壓損計算的半徑驗方法，將抽汽流道分成有限個(gè)弧段，視每一弧段為一混合流支管，形成計算模型。 - Pipe Stoppers are used to plug off pipe ends, which should be auxiliarily used with pipe couplings.
管塞用于封堵鋼管端部管口，須與管接頭配套使用。
