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：
三原县
|
河南省
|
永嘉县
|
通许县
|
大城县
|
榆树市
|
长汀县
|
宜阳县
|
宁陵县
|
双辽市
|
大城县
|
加查县
|
伊宁县
|
祁东县
|
乐清市
|
长岛县
|
兰考县
|
芦溪县
|
桐乡市
|
长治市
|
瓮安县
|
乡城县
|
巢湖市
|
南江县
|
靖州
|
紫金县
|
吉木乃县
|
北碚区
|
永济市
|
鹤壁市
|
成都市
|
崇礼县
|
玉山县
|
桓台县
|
永城市
|
红安县
|
南江县
|
岳普湖县
|
南阳市
|
乳山市
|
汝阳县
|
