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.

 

 
亚洲高清无码二区 | 黄色视频高清在线 | 丰满熟妇高潮呻吟无码 | 亚洲最大色综合成人AV | 国产乱码一区二区三视频 | 国产毛片毛片毛片 | 性色AV无码一区二区三区水牛影视 | 影音先锋色资源一区 | 日韩AV免费无码 | A片视频免费观看 | 日本人妻人人爽一区二区 | 一区二区三区四区视频免费看 | 亚洲国产成人精品无码l | 岳妇伦丰满88XXX毛片A片 | 五月激情婷婷综合网 | 少妇高潮A片无套内谢 | 国产在线无码视频 | 欧美激情亚洲情色 | 无码少妇秘 一区二区 | japanese无码精品专区 | 四川少妇高潮一级毛片 | 中国产真人一级A爱做片喷水 | 国产精品久久久久久 | 男女大尺度无遮挡 | 午夜福利激情电影 | 免费无码人婬片AAAA公交车 | 美女羞羞涩涩视频网站 | 在线观看黄色视频的网站上 | 日韩内射免费观看 | 美女破处视频在线观看 | 成人 禁免费国产在线观看久夜 | 中文字幕精品久久久久人妻红杏1 | 99久久久久人妻少妇凹凸影院 | 色情午夜 码一区二区 | 午夜激情小视频在线观看 | 免费在线观看黄色 | 成人性生交大片费看欧美 | 久久久无码精品亚洲A片 | 久久亚洲AV成人无码国产野外 | 无码人妻精品一区二区三区麻豆 | 亚洲影院久久久av天天蜜桃臀 |