thread connection

Subject	English	Chinese
oil, transp.	buttress thread connection	梯形螺纹连接
auto.	connection thread	连接螺纹
dril.	full hole style connection thread	贯眼扣
dril.	full hole style connection thread	贯眼型螺纹
dril.	full-hole style connection thread	贯眼式接头螺纹
dril.	internal flush style connection thread	内平扣钻杆接头丝扣
dril.	internal flush style connection thread	内平钻杆接头
dril.	internal flush style connection thread	内平型丝扣
dril.	regular style connection thread	正规扣型螺纹
mech.	stub short thread connection	短螺纹连接
railw.	thread connection	螺纹连接