tender coupler

例句：

1. 1. The tender coupler was used to connect the two pipes together.
   使用柔软连接器将两根管子连接起来。
2. 2.The engineer designed a new tender coupler that could withstand higher temperatures.
   工程师设计了一种新型的柔软连接器，能够承受更高的温度。
3. 3.The tender coupler was crucial for ensuring the safe operation of the machinery.
   柔软连接器对于确保机械设备的安全运行至关重要。