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孔穿

孔穿

孔穿

1

The connecting hole on the upper arm of the hoist is penetrated by a connecting shackle connected with a main steel cable hanging rope.

吊具上臂的连接孔穿有连接卸扣，连接卸扣连接主钢丝绳吊系；

3

Taper holes are formed in the trapezoid block and go through the taper sections.

梯形块上形成有锥孔，该锥孔穿入锥部上；

5

Development of Four-hole Sutured CaP Bioceramic Ocular Implant

磷酸钙四孔穿线生物陶瓷人工眼球的研制

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