前言： 为了保证一种既有斜齿轮又有直齿轮零件在注塑成形后能顺利脱模，给出了一套一模两位，点浇口进料， 旋转脱模，胶套式二次分型的双分型面注射模的设计。
To make sure that a plastic part with helical gear and spur gear can be demoulded successfully, an injection mould is designed with double parting faces, point gate feeding and rotating demould.
鉴于斜击式水轮机具有轴向水推力的特点，在这套卧式液体静压轴承中采用了双斜面背靠背的双止推结构。
In view of the characteristic that there is an axial hydro - thrust in Turgo turbine, a double stop thrust construction of double inclined planes back by back in the bearing can be used.
后锁紧式篮球架，斜梁具有延长并向下折曲部分，延长折曲部分与后拉杆由双螺栓固定。
The utility model relates to a rear locked basket post. An extension flex part is arranged on an inclined beam and fixed with a back stay by double bolts.
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