射咀、鹅头、压射头及料壶司筒采用德国优质热作钢制造，使用用寿命长；
Nozzle, gooes neck, injection plunger head and melting pot sleeve are made from hot work steel from Germany, so their life spans are long.
该产品具有良好易切削性能和机械加工性能，从而避免了薄壁推管(司筒)因热处理而产生变形。
The product has excellent tooling quality and machining performance, so as to alleviate and avoid the deformation of ejector pin because of heat treatment.
司钻摘掉辊筒离合器，刹住绞车。
The driller disengages the drum clutch and secures the drawworks.
司钻启动绞车正转，把油门调到最低限度，挂上低速离合器，慢慢的把大绳缠到绞车辊筒上。
The driller engages the drawworks in forward drive and sets the throttle at minimum speed. And engages the low clutch and slowly spools the drilling line on the drawworks drum.
让一个钻工站在大绳储备筒旁边，用对讲机把大绳的松紧情况通知司钻。
One floor man should stand close to the spool to inform the driller with a two-way radio when there is no loose drilling line coming off the spool.
我司是专业设计和生产通风降温设备的企业，主要产品是：多种型号的轴流风机和拢风筒风机以及湿帘及其配件。
We are specializes in designing and manufacturing ventilation equipment, the main product are many size box fan, cone fan, cooling pad and the spare parts.
我司是专业设计和生产通风降温设备的企业，主要产品是：多种型号的轴流风机和拢风筒风机以及湿帘及其配件。
We are specializes in designing and manufacturing ventilation equipment, the main product are many size box fan, cone fan, cooling pad and the spare parts.
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