The present nondestructive inspection techniques are unable to recognize small flaws, the metallurgical drawbacks and tight cracks, low temperature and high pressure proof-test can do it.
目前各种无损检测技术无法确定小裂纹、紧闭裂纹和冶金缺陷，压力验证试验却能弥补这方面的不足。
According to the pressure proof intensity test research, this concrete is testified to be more advantages than high intension and little concrete dosage.
通过对其抗压强度的实验研究，证明干硬性混凝土具有高强度、水泥用量少等特性。
Its explosion proof property, over speed and over reel control, prevention of high and low hydraulic pressure, and coordination of braking and hoisting are the key and core points for safety design.
液压提升机的防爆、提升过程中的超速、过卷保护、液压系统的高、低压保护及升降与制动工作协同性是其安全性设计的核心与关键。
The High-temperature-proof pressure gauge is mainly used in chemical, petroleum industries for measuring pressure of high temperature media under high temperature environment.
耐温压力表具有氨用压力表的使用性能，主要用于化学、油工业中高温介质或环境压力测量。
High temperature, high pressure forming first with moisture-proof, anti-burning, easy to clean-up and so on.
经高温、高压一次成形，并具有防潮、防燃、容易清理等特点。
This machine has long life, good leak-proof quality, can withstand the high pressure, can lengthen the operating time, can be flushed pro and con, the residue can be recycled after filtration.
该机械密封性好，使用寿命长，能承受高压，能延长工作时间，能正反冲洗，过滤完毕后可以回收残液。
The utility model is designed to provide a polytetrafluoroethylene lining shedding-proof high-pressure kettle with a sleeve barrel, comprising a kettle body and a sleeve barrel.
本实用新型旨在提供一种能保证聚四氟乙烯衬里不脱落的带有套桶的高压釜。
The light panel structure, the high quality PET synthetic fiber filter material is with features of low initial pressure, good fire-proof function.
轻便的板式结构，优质的聚酯合成纤维过滤材料，初阻力低，防火性好。
Series YTF standard corrosion-proof pressure gauge are used to in common environment, for measuring of a medium with high corrosive.
YTF防腐型压力表测量外界使用环境较好、内部腐蚀性较强介质的压力。
The unit casing shall be air tight at low and high pressure, units to be installed open to weather shall be weather proof type.
部件的层面在低压和高压下应具有气密性。安装在室外的部件应具有耐候性。
YXC Electric Contact Pressure Gauge is better than YX Standard Electric Contact Pressure Gauge on high power rating, reliable signal, long life, and to vibration-proof.
YXC 型电接点压力表同YX 型电接点压力表相比具有额定功率大，发讯可靠，接点寿命长等特点，并有一定抗振动性能。
YXC Electric Contact Pressure Gauge is better than YX Standard Electric Contact Pressure Gauge on high power rating, reliable signal, long life, and to vibration-proof.
YXC 型电接点压力表同YX 型电接点压力表相比具有额定功率大，发讯可靠，接点寿命长等特点，并有一定抗振动性能。
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