heating apparatus造句怎么写

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They have bought a heating apparatus recently.

boiler casing, of iron or steel, for central heating apparatus (excl. steam-generating boilers)

Medium frequency high power induction heating apparatus, for many years has adopted silicon controlled as switching devices.

HF induction heating apparatus

door, boiler, of iron or steel, for central heating apparatus (excl. steam generators)

cover ,manhole of iron or steel, for central heating apparatus (excl. steam generators)

Warm air blower is a heating apparatus which can get heat when water circling in the diesel engine.