国产人成精品香港三级在,国产欧美日韩精品第二区,国产欧美成人一区二区三区
<menuitem id="habm2"></menuitem>
<center id="habm2"><progress id="habm2"></progress></center>
<p id="habm2"></p>
<style id="habm2"><delect id="habm2"><pre id="habm2"></pre></delect></style>
Main page
|
Email
|
contact
Русский
·中文
·English
Main page
Products
certificates
About us
Contact
Products
New Products
Roadheaders
Mining equipment
Rock Tunneling
Shielding equipment
Drilling Rig for Coal Mine
Secondary Transport System
Drilling Rig
Truck-mounted Crane
Special Purpose Vehicle
Electric Parts
Hydraulic element
Typical Cases
Product series
New Products
Roadheaders
Mining equipment
Rock Tunneling
Shielding equipment
Drilling Rig for Coal Mine
Secondary Transport System
Drilling Rig
Truck-mounted Crane
Special Purpose Vehicle
Electric Parts
Hydraulic element
Typical Cases
Products
Main page
>
Products
>
Drilling Rig
Usage
250×250 Kelly bar is the driving drilling pipe special for big holes drilling. can used for the circulation and reverse circulation drilling, also can achieve gas inlet and deslagging, this kelly bar can withstand big torque and deslagging is good.
Specification
Copyright：Shijiazhuang Coal Mining Machinery Co., Ltd. ICP:09037270
Design by：
http://www.sjznet.net
<span id="13evs"><nav id="13evs"></nav></span>
<input id="13evs"></input>
<input id="13evs"></input>
<i id="13evs"><del id="13evs"></del></i>
<bdo id="13evs"><del id="13evs"></del></bdo>
主站蜘蛛池模板：
延庆县
|
林周县
|
民乐县
|
焉耆
|
洮南市
|
浏阳市
|
合作市
|
醴陵市
|
亚东县
|
德阳市
|
会宁县
|
搜索
|
钟祥市
|
师宗县
|
灌云县
|
海南省
|
北流市
|
平阴县
|
商都县
|
云安县
|
方正县
|
泰宁县
|
宜城市
|
永嘉县
|
辛集市
|
汕头市
|
荆门市
|
雅江县
|
永安市
|
巴东县
|
科技
|
宁化县
|
南汇区
|
阿拉善左旗
|
文山县
|
高雄县
|
叶城县
|
乐都县
|
左贡县
|
晋中市
|
广州市
|
