The gas main exploded and set fire to the house. 煤氣總管爆炸引起房子失火。
Returns to the palace, the small ring jubilant hugs these shrimp to give the jade meals room main pipe Li father-in-law to look. 回到宮裡，小環子興高采烈的抱著這些蝦去給玉膳房總管李公公看。
Or the pumps can discharge to a force main conveying wastewater under pressure to the treatment plant. 或崩可以將壓力污水干管中的廢水在壓力下輸送到污水處理廠。
With two segments and midsection inflexion of main pipes, the irregular well positions were well represented and the length of the total main pipes was shorten by a long way. 該種管網布置方式是將每個方向伸出的干管分成兩段，中間拐彎，能夠較好地體現注汽井分佈的不規則性。
