The utility model relates to a forge and press combined type central water-cooled oxygen lance spray head assembly.
本实用新型涉及一种锻压组合式中央水冷氧喷枪喷头总成。
2
The organic combined technology of sprayed polyurea elastomer and spayed polyurethane foam is suitable for site spray of waterproof and thermal insulation roof.
喷涂聚脲弹性体及喷涂聚氨酯弹性体技术，两者有机结合，适用于防水、保温屋面的现场喷涂。
3
Coal-rock boring machine is able to achieve cutting, loading, reproduced transport, walking and spray Dust combined unit.