这句实在弄不明白? when the warm end is in the top dead center position and the pushrod is in bottom dead center, a gap between the pushrod and the crosshead liner flange will appear. this gap will allow the required clearance to remove the seal housings,one at time. 当热端在上死点位置,推杆在下死点位置时,在推杆和十字头轴瓦边缘之间会出现一个缝隙。这个缝隙足够用于移除密封填料函,每次一个。 查看更多