Bonding gap: HOUSING and rubber ring in harmony with the 0.15MM, are acceptable, beyond 0.15MM, but does not affect the use, as the case may be accepted, but NG.
Engagement gap: HOUSING AND apron fit within 0.15MM, acceptable beyond 0.15MM, but does not affect the use, depending on the specific circumstances acceptable, whereas NG.
The connecting gap: housing and apron with in 0.15mm, acceptable, exceeding 0.15mm, but does not affect the use of, depending on the specific circumstances of acceptable, whereas ng.