常见例句

双语例句

After the ball valve seat wear and tear, can be a ball into the seat, and with the rod lightly tapping ball several times, until the valve with the valve seat up close together.
球形阀阀座磨损后，可用一钢球放到阀座上，用金属棒轻轻敲击钢球数次，直到球阀与阀座密合为止。
Ball and valve seat rings are metal materials, sealing pressure than the large, rely on the media itself can not seal the pressure has reached the requirements to be imposed by external forces.
球体和阀座密封圈都采用金属材料制造，密封比压很大，依靠介质本身的压力已达不到密封的要求，必须施加外力。
The sealing sections of non-return valve ball seat were separated, material was changed into zirconium oxide ceramic, 0.
通过分离单向阀球座密封段，材料改为氧化锆陶瓷，密封段流道直径增加0。