例句 /

Radial sealing can e mechanical seal to ensure without leaking within 8000 hours and also can be packing seal, so the maintenance is very convenient.

Radial sealing can e mechanical seal to ensure without leaking within 8000 hours and also can be packing seal, so the maintenance is very convenient.

轴封可以选择机械密封,保证8000小时无泄漏,也可以选择填料密封,保养维护十分方便。