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阀罩 [fá zhào]
valve bonnet
- 拆卸阀罩顶部的两个螺丝，然后拆卸阀罩。
Remove two screws on top of hood and remove hood. - 发生部位有两处：一是上阀罩出油孔处；一是拉杆与上阀罩连接处罗纹根部。
Has happened in two parts: First, a hole on valve cover; and one on rod and valve cover thread root junction. - 通过对阀罩结构进行工艺分析，设计了一副结构紧凑、简单合理、便于使用成型的注射模，介绍了该模具的特点。
Over analysis of the process of topside valve structure, a pair of mold with strict, simple and feasible structure to be used and moulding easily is designed, and the mold's characters are introduced.
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