Spray: spray leakage, poor surface roughness, and the powder is easy to fall.
喷塑差的：漏喷，表面粗糙，而且喷粉易掉。
To solve the problem of short service life and poor performance of low melting point alloy mould manufactured by arc spray forming, the manufacturing of stainless steel mould has been presented.
为了解决低熔点材料电弧熔射成形模具使用性能差、寿命低等问题，提出电弧熔射成形制作不锈钢模具的方法。
The results also showed that much more steady combustion could be obtained with mechanical spray nozzle than with steam atomizer for some burners with poor performance.
对于稳燃效果较差的燃烧器，采用机械雾化喷嘴可获得比汽力雾化喷嘴更为稳定可靠的稳燃性能。
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