如果需要銜接外部氣體，腔體前後位置有提供氣體進出口接頭，銜接內徑為ψ4

如果需要銜接外部氣體，腔體前後位置有提供氣體進出口接頭，銜接內徑為ψ4軟管。

結果 (英文) 1:

If desired convergence outside air, the chamber has a longitudinal position Importers and provide a gas fitting adapter ψ4 inner diameter hose.

結果 (英文) 2:

If external gas needs to be connected, the front and rear positions of the cavity are provided with gas import and export connectors, and the connection diameter is a hose of s4.

結果 (英文) 3:

If it is necessary to connect the external gas, a gas inlet and outlet connector is provided at the front and rear positions of the chamber, and the inner diameter of the connector is ψ 4 hose.