Although our company was established in 1982, this is the first South West cue to have a serial number and our cactus logotype engraved on the joint pin.

虽然本公司早在1982年就已成立，但是这只球杆是我们第一只在铜牙刻上仙人掌标记及序号的球杆。

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To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.

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。

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Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.

密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。

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And again, remember that a joint return requires two signatures: if you are filing a joint tax return, you and your spouse will each need to create a PIN and enter these PINs as your electronic signatures.

FORBES: Taxes from A to Z: X Is For X-Mark (Signature)