When the proper temperature is reached, alloy will flow readily into space between tube outer wall and valve socket.
达到适当的温度后，合金将迅速容易地流进管道外壳和阀门套管之间的空间。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
The Universal Socket Weld check valve is designed for use in applications where weld joints are required.
通用承插焊止回阀是为要求焊接的应用场合而设计的。
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