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。

youdao

Threadless anti-impact smooth sections can be arranged on the outer ends of the threaded sections of both ends of the steel barrel.

可在钢桶的两端的螺纹段外侧设置着无螺纹的抗冲击光面段。

youdao

The ban will also apply to any semi-automatic handgun with a fixed magazine with a capacity to accept more than 10 rounds or a threaded barrel.

FORBES: Senator Feinstein's All-Out Assault On Gun Rights

Under the 1994 law, these included semi-automatic versions of rifles that accepted detachable magazines and possessed at least two other characteristics, such as a protruding pistol grip, flash suppressor (or a threaded barrel to accept one), or a folding or telescoping stock.

FORBES: Move up http://i.forbesimg.com t Move down

Under the 1994 law (now expired), these included semi-automatic versions of rifles that accepted detachable magazines and possessed at least two other characteristics, such as a protruding pistol grip, flash suppressor (or a threaded barrel to accept one), or a folding or telescoping stock.

FORBES: Senator Feinstein's All-Out Assault On Gun Rights