在柏林和汉堡，法兰克福和科隆，法兰克福和斯图加特，不莱梅和科隆之间一天之内曾经有几百个航班运送几万名旅客。

Once, there were hundreds of flights a day transferring tens of thousands of passengers between Berlin and Hamburg, Frankfurt and Cologne, Frankfurt and Stuttgart, Bremen and Cologne.

youdao

为了使安装容易些，可以将所有法兰螺栓穿过阀门法兰，然后穿过套管法兰，但是不要让螺栓超过法兰橡胶表面(参阅图4)。

For ease of installation, insert all flange bolts through the valve flange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).

youdao

下周六拜仁将对阵法兰克福，沙尔克对阵斯图加特，不来梅迎战美因茨。

Next Saturday FC Bayern play at Frankfurt, Schalke take on Stuttgart und Bremen play against Mainz.

youdao