求翻译：连接注剂枪，装填密封剂，作业人员应站在枪一侧，面部不应直接对填充口，压泵顶压后，再开注剂阀。卸注剂枪时一定要先关注剂阀，以保安全。是什么意思？

To connect injection gun filling sealants, workers should stand on the gun side of face should not be directly on the fill port, pump top pressure, and then open the valve of the injection agent. Unloading injection gun must first focus on agent valve to ensure safety.

Connected notes, filling, sealing, and the job should be fired at one side, the face should not be directly in the fill port, the pressure pump-top pressure, and then the note, valve. Note, the gun must be concerned about, valve, in order to ensure security.

正在翻译，请等待...

Connection agent gun filled with sealants, operators should stand at the side of the gun, face should not directly fill exit, after pressure pump pressure, valve opening note agent. Note unloading agents concerned agent when gun valve, to ensure safety.

The connection note medicinal preparation gun, the filling aquaseal, the operating personnel should stand in gun one side, the face should not to the packing mouth, after the press pump go against directly presses, then operates the note medicinal preparation valve.Unloads when the note medicinal pr