“lantern ring”可以造什么句，lantern ring造句

Leak-off for double packing (optional). A lantern ring and leak-off pipe are provided for removal of leakage, if any, from lower packing set.

Large stuffing box accommodates all packing arrangements, including live-loaded design and lantern ring type for severe services.

Stuffing Box– optional lantern rings and grease injectors are available.