| 摘要 |
<p>Disclosed herein is an exhaust gas manifold comprising an exhaust gas passageway including an exhaust gas inlet portion, an elbow portion extending downwardly from the inlet, a discharge portion extending downwardly from the elbow portion, a water jacket extending around the inlet and elbow portions of the exhaust gas passageway, and means for discharging coolant water from said water jacket and including means for maintaining the water jacket full of coolant.</p> |
