国产精品不卡av在线观看,久久综合九色综合欧美狠狠,又粗又长又硬义又黄又爽,久久精品国产欧美激情无码

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.

 

 
亚州人成免费视频在线 | 日产无码久久久久久精 | 国产性猛交 XX 乱动漫小说 | 高清在线无码不卡一区二区三区视频 | 国产少妇精品喷水视频 | 日韩精品无码一区二区 | 2018好看的中文在线观看 | 亚洲黑料视频网站入口网页版 | 亚洲精品无码成人77777 | 亚洲国产精品17c | 欧美精品久久久久久久久爆乳 | 日韩福利片一二三区 | 在线国产一区二区三区 | 久久久久久久久久性爱潮久久久久久久久久 | 精品国产一区二区不卡区 | 成人午夜啪免费视频在线观看软件 | 再深点灬舒服灬受不了了视频 | www、17C、Com| 女生自慰喷水网站 | 蜜桃麻豆熟妇A色在线观看 肉丝超薄少妇一区二区三区 | 中文字幕免费在线观看 | 91精品国产日韩91久久久久久 | 8050午夜一级A片免费下载 | 国产精品老熟女视频一区二区 | 熟女人妻在线播放 | 麻豆乱婬一区二区三区 - 百度 | 精品一品国产午夜福利视频 | 亚洲无码中文字幕一区 | 2019中文在线观看电视剧免费 | 亚洲AV无码成人精品区一本婷婷 | видео精品A片一区二区三区 | 人妻少妇系列在线观看 | 国产精品伦子伦免费视频 | 国产色婷婷亚洲999精品网站 | 好硬啊进去太深了A片视频网站 | 专约老熟妇丰满探花 | 变态另类97人妻 | 亚洲AV无码国产精品文在线一区 | 免费看A片奶出水 | 广东BBW搡BBBB搡 | 性大交色情A片久久爽毛片A级 |