美女用逼疯狂的干大鸡巴,免费看美女操到爽的视频,裸体美女和男生日逼网站,五月天综合婷婷在线观看

What is the principle of flowing steel bricks?

點(diǎn)擊次數(shù):   更新時(shí)間:21/04/27 15:51:04     來(lái)源:m.927558.net關(guān)閉分    享:

Flow steel brick refers to a hollow refractory brick, commonly known as Tang Dao brick, which is built into the groove of the ingot bottom plate, connects steel tiles and steel ingot molds. It is generally all kinds of long square hollow clay bricks. In order to reduce the resistance in the process of steel, the drain steel is prevented, and its inner hole is smooth, the shape rules, and the seam is strict. If the stream tile is damaged, it needs to be repaired. What is its principles and precautions?

1. Try to use the remaining pine bricks that are simultaneously repaired with the old bricks.

2, the new old brick contact surface cannot be used with iron plates.

3, the seams of the lock bricks cannot be made of iron plates. The iron plates of the two neighboring tiles should be displaced, and they cannot be made of iron plates on both sides of the same brick. Ironboard needs to be completely sciped.

4. Bricks that need to use the same manufacturer and batch of old bricks in the stream of steel bricks

5, the front a few lap brick seals need to be inserted from the side tiles, and the brick is sealed with a positive brick.

6. Strictly in strict accordance with the brick design ratio, the scale ratio should not be changed.

7. The scouring slit plate of excavation bricks shall not be tearned off, and the mud full of excavation bricks require moist, with a firework, it should reach more than 95%. It is forbidden to have a lotus, small head with a firm. If this happens, it is necessary to remove reconstruction in time.

8, during the repair process, do not use or reduce the use of processing bricks as much as possible.

上一條: 沒(méi)有了
下一條: 沒(méi)有了
contact us聯(lián)系我們
聯(lián)系咨詢(xún)熱線(xiàn): 139-5332-2551
聯(lián)系人:司經(jīng)理  手機(jī):13953322551
電話(huà):0533-5780768  傳真:0533-5780768
郵箱:zbfubangyj@163.com 地址:淄博市淄川區(qū)昆侖工業(yè)園
二維碼
产一级一片内射视频免费| 久久人澡人妻人人做人人爽| 使劲操女人逼逼| 黄色视频啊啊啊啊啊啊插| 亚洲中文字幕久久精品无码喷水| 性高潮久久久久久久网站| 播五月婷婷综合视频免费| 久久伊人蜜桃av一区二区| 四川家禽操BB操bbb| 日本一区二区三区免费精品| 日日av拍夜夜添久久免费| 农场主的女儿们 经典k8| 曰本无码人妻丰满熟妇啪| 操操日操操日免费视频网| 日韩av在线一区二区三区| 亚洲中文字幕在线19页| caoporn免费日韩| 我和公发生了性关系视频| 久久国产乱子伦免费精品| 亚洲国产精品综合久久网| 伊人精品影院一本到欧美| 男生把女生操死十八书屋| 一本色道久久99一综合| 我要看操逼的片| 成人性生交大片免费看r| 亚洲一区二区三区我不卡| 抽插受不了视频| 东京热网站| 国产乱人伦偷精品视频下| 偷国内自拍视频在线观看| 免费高清中文字幕第一页| 国产精品青青在线观看爽| 特级婬片女子高清视频色| 社区自拍揄拍尻屁你懂的| gogo人体gogo西西大尺度高清| 欧美激情亚洲日本在线视频| 国产精品久久婷婷六月丁香| 久久午夜夜伦鲁鲁片无码| 久久精品亚洲国产成人av| 国产 欧美 日产 手机| 欧美成人性xxxx在线|