As the repairs will take awhile, we will send over a replacementunit for you to use later this afternoon.
由于修理要花点时间，今天下午晚一点我们会送一套更换装置给您们使用。
2
The SB series stuffing box cover combine the functions of wear plate and stuffing box into a one-piece replacementunit. One bolt holds the slip fitted stuffing box in place.
填料箱压盖将密封与填料箱的功能融为一个可更换的整体，一支螺栓安装在与填料箱相对应的中开面上。
3
The unit to base electrical plug permits instant valve unitreplacement without disconnecting piping or wiring.