97香蕉超级碰碰久久免费的优势_这里只有精品在线播放_欧美精品久久一区二区_久久天天躁夜夜躁狠狠躁2022_亚洲人成在线一二_亚洲午夜久久久影院_日韩高清电影免费观看完整版_国产亚洲成av人片在线观看桃_日韩在线免费高清视频_亚洲国产精品va在线_欧洲成人在线观看_久久久久久久国产精品_欧美在线性视频_国产精品久久久久久超碰_97超碰色婷婷_亚洲第一网站男人都懂

ZQ203-125/RudongZQ203-125/YnchengZQ203-125鉆桿鉗
ZQ203/125型鉆桿鉗主要用于油田鉆井作業中上卸鉆桿、鉆鋌，具有以特點：
?換擋及背鉗夾緊采用壓縮空氣；
?采用牙嵌或氣胎離合器，
?旋扣鉗和扭矩鉗體結構；
?可配備液壓提升缸；
?可不停車換擋。
The drill pipe tong is used to mke up nd brek out for drill pipe opertion in oil fields. The tongs he the following fetures:
?Using pneumtic power to shift nd drie bckup tong.
?It is n integrl mechnism mde by spinner nd torque tong.
?With optionl hydrulic lifter.
?Cn Chnge ger during opertion.
The drill pipe tong is used to mke up nd brek out for drill pipe opertion in oil fields. The tongs he the following fetures:
?Using pneumtic power to shift nd drie bckup tong.
?It is n integrl mechnism mde by spinner nd torque tong.
?With optionl hydrulic lifter.
?Cn Chnge ger during opertion.

鹽城特達|||ZQ203-125/RudongZQ203-125/YanchengZQ203-125鉆桿鉗