国产白丝视频在线播放-国产白袜-国产办公室秘-国产爆操美女五月天-国产播放隔着超-国产不卡

Shandong Zhongrui Construction Machinery Co., Ltd official website!

National Service Hotline:
15005366588
ZRC3.5-DHD3.5 impactor-3.5 inch
ZRC3.5-DHD3.5 impactor-3.5 inch
 
 

ZRC3.5-DHD3.5 impactor technical parameters

Total length

(Excluding drill bit)

Total weight

(Excluding drill bit)

Outer diameter of impactor

Rear connector thread

Drilling range

987mm

23Kg

φ81mm

API(2 3/8)″REG

φ90~φ110

Available working wind pressure

At 1.7MPa

Impact frequency

Recommended speed

Air consumption

 

1.0~2.5MPa

25HZ

25~40r/min

5~9m3/min

 

Characteristics of ZRC3.5-DHD3.5 impactor

1. Mainly used in mines requiring drilling operations above 90mm;

2. Designed with the latest rock drilling theory, the impact energy is ideally transmitted, and the single impact energy is large;

3. The internal structure is simple and not easy to damage;

4. Low air consumption, wind and oil saving, fast drilling speed;

5. The internal structure is simple and reasonable, and the maintenance is convenient; the parts have good consistency, high reliability, low overall failure rate, low disassembly frequency, long impact life, and low use cost.

 

 
主站蜘蛛池模板: 两性午夜欧美高清做性 | 按摩高潮A片一区二区三区 澳门永久av免费网站 | 污视频app破解下载 污视频app网址丝瓜视频 | 欧美成年黄网站色视频 | 国产美女视频一区二区二三区 | 狠狠的撸2014最新版 | 人与禽ZOZO性伦 | 中文字幕无码日本欧美大片 | 久久综合亚洲鲁鲁五月天欧美 | yw.7782龙物视频永不失联 | 免费又黄又爽A片免费看漫画 | 国产精品爽爽久久久久久无码 | 永久免费不卡在线观看黄网站 | 美女露出尿口让男人揉动态图网站 | 亚洲 第一区 欧美 日韩 | 黄页视频在线免费观看 | 六十路の高齢熟女が中文在线播放 | 国产 porn | 蜜臀久久99精品久久久久久做爰 | 国产精品毛片无码 | 久久91综合国产91久久精品 | 日日摸夜夜欧美一区二区 | 蜜桃精品成人影片 | 成人h视频在线观看 | 疯狂揉小泬到失禁高潮AV | 亚洲操片| 欧美手机手机在线视频一区 | 色偷偷超碰av男人天堂 | 风流少妇又紧又爽又丰满 | 最近中文字幕在线资源 | 亚洲精品tv久久久久久久久久 | 国产精品一级二级三级 | 亚洲精品久久久无码AV片软件 | 韩国精品一区二区三区在线观看 | japanese色系free日本 | 卡一卡二卡三专区免费 | 丁香婷婷在线 | 校花岔开玉腿欲液横流 | 国产真实乱人偷精品人妻图 | 亚洲精品一区二区三区福利 | 天堂精品 |