Test position: plug and wire sealing position: wire sealing
Test position: joint and wire sealing position: wire sealing
Test position: joint and wire sealing position: wire sealing
Test part: complete machine
Test position: plug and wire plugging position: both ends of the joint
Test position: plug and wire sealing position: wire sealing at both ends
Test position: plug and wire
Test position: plug and wire plugging position: plug plane position