A plunger with guide bush and sixty PCS of rubber rings.
一个带有导套的柱塞和60只橡皮圈。
A high rigidity mill stand in which the roll can be quickly changed together with guide as been proposed.
提出了一种可同时快速更换轧辊和导卫装置的高刚度轧机机座，适用于棒材、线材和型材轧制。
Both sides of one edge of the scalpel pressing plate are respectively provided with guide pawls, and the other edge of the scalpel pressing plate has no guide pawls.
在压刀板的其中的一边两侧各有一个导向爪，另一边无导向爪。
Objective:The effect on alveolar bone regeneration and repair was observed and compared with guide bone regeneration technique -isolated human dentin blocks treated with tetracycline-HCL.
目的：将盐酸四环素处理的人离体非功能牙块用于诱导骨再生技术中，观察和比较其对牙槽骨再生修复的影响。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
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