Already starting to the crusher, should first idling for several minutes, can check base, idling protective plate chain, such as no abnormalities, can start feeding.
对已起动的破碎机，应先空转几分钟，空转时可以检查基座、防护板链等，如无异常，可开始给料。
Through experiments, the improvement can reduce the content of minicrystal to 31.8 percent, compared with an original protective plate without a through hole for the cooled air to circulate.
通过试验，相对于原先没有用于冷却气体流通用的通孔的护板，该改进可以把微晶含量减少到31.8%。
This paper mainly researches on the technique of draining long distance pressure relief gas in bed plate tunnel under the circumstance of mining protective coal seam.
本论文主要是针对远程下保护层开采条件下，对底抽巷上向穿层钻孔抽放远程卸压瓦斯技术进行了深入的研究。
Methods: the chest X-ray device by the film clip, set frame, base, children sit down plate, protective aprons and so on.
方法：胸片装置由片夹、立架、底座、小儿坐立升降板、防护围裙等组成。
Angle iron is specified at the edges as a protective device for the covering plate.
按照规定，盖板边缘加装角钢起保护作用。
Gumming system ensure that protective gum immersing the all the pores of PS plate, avoiding PS plate oxidation happening;
上胶系统确保保护胶能完全浸透入PS版表面毛细孔内，避免有任何版面氧化的现象发生；
The utility model provides a safe decorated glass plate, comprising a talus, printing, metal frames and a plastic protective layer.
本实用新型提供一种斜面、印花、金属框和塑料保护层组成的安全玻璃装饰板。
The utility model relates to a safety protecting device for the automatic braking of automobiles, comprising a safety plate, a protective net, an automatic air valve, and a propeller.
一种汽车自动刹车安全保护装置，有安全板、保护网、自动气阀、推进器组成。
The frame is composed of catching hand, top plate, bottom plate, side plate and protective net.
框架由捉手、顶板、底板、侧板、保护网组成。
The frame is composed of catching hand, top plate, bottom plate, side plate and protective net.
框架由捉手、顶板、底板、侧板、保护网组成。
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