请做一套单排扣的。
主仓一侧分有一个高的套袋,包含带插扣的安全带,并在袋子的前部还分有3个小的套袋。
The sides are well divided with a tall sleeve pocket being on one side, SRB security strap included, and 3 divided smaller sleeve pockets.
为了克服剪钉式和反扣式两种安全接头的不足,研制出一种滑套式井下安全接头。
To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.
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