fuel oil pump plunger sleeve 燃油泵柱塞套
plunger and sleeve assembly 柱塞与套筒组件
Plunger in cylinder sleeve 缸套柱塞
O-ring plunger guide sleeve 顶杆导套O型圈
The plunger should be withdrawn from sleeve.
柱塞应从套筒里抽出来。
Nozzle, gooes neck, injection plunger head and melting pot sleeve are made from hot work steel from Germany, so their life spans are long.
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；
A reinforcement sleeve (47) is located in the recess (45), whereby a cavity is defined between the reinforcement sleeve (47) and the plunger (25).
一加强套筒(47)位于凹槽(45)中，由此一腔室限定在加强套筒(47)和柱塞(25)之间。
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