Male square wrenches for drain screws 泄水口螺钉堵头用的外四方扳手
When the nozzle is clogged after a long period of non - use 打印机长时间闲置后,会出现堵头现象。
Design of the concrete plug of xianghongdian underwater rockplug - blasting 响洪甸水下岩塞爆破堵头设计
This happens when ink is solidified between ink nozzle and chamber of mesh 墨水在喷嘴和滤网之间形成凝结块,会出现堵头现象。
Bull - plugged tee 带堵头的三通
Steel cable plug 钢绳堵头
Construction technology in excavation of diversion tunnelat the right bank of xiluodu hydropower station 溪洛渡水电站右岸导流洞堵头段开挖施工技术
Being of good quality to ask the front or top surface , stop up head , jade quality bad to ask the back jade have 玉质地好一面叫阳面或顶面堵头,玉质地差的一面叫阴面。
Gas cylinders . taper screw thread for valve stem and cylinder neck assembly . nominal diameter 28 . 3 mm , taper 3 25 , 14 tpi , whitworth form 气瓶.阀门堵头和气瓶颈口组件用锥体螺纹.公称直径28 . 3毫米,锥度3 25 ,每英寸螺纹齿数14 ,惠氏螺纹
Abstract : the paper analyses the loads acted on the concrete plug while the rock plug blasting , and introduces the stress and stability of the concrete plug acted by the load of underwater rock plug blasting 摘要:文章对岩塞爆破时作用于堵头上的荷载进行了分析,介绍了混凝土堵头在岩塞爆破荷载作用下的应力和稳定情况。