The safety switch box is further provided with a contact terminal standardization mark for control and fixation, and an external winding displacement electrical-connection unit can be reserved.
该安全开关箱进一步设有控制、固定用的接点端子规格化标示，且可预留外接排线电连结单元。
2
The status quo of the1st CPF: the locations reserved for liquid sulfur tank farm liquid sulfur pond sulfur solidification unit and sulfur packing machine house are macadam sites now.