This paper introduces the use and merit of MTHT spring buffer type cage security holding device.
介绍了MTHT型弹簧缓冲式罐笼安全承接装置的用途及优点。
The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.
阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。
The cage with flat olive bore looks similar to the contour of the Ray-TFC, and has grooving spring on lateral sides.
笼箱外形类似于椎间螺纹穿通融合器（TFC） ，上、下两面具有螺纹，在两侧有切口弹簧，内腔似扁橄榄形；
The community structure of ciliates in the cage fish culture farm of Liujiaxia reservoir in spring is studied.
对刘家峡水库网箱养鱼场春季纤毛虫群落结构进行了研究。
The community structure of ciliates in the cage fish culture farm of Liujiaxia reservoir in spring is studied.
对刘家峡水库网箱养鱼场春季纤毛虫群落结构进行了研究。
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