- 放泄阀: discharge valve; sectioning ...
- 弹簧: spring; mechanical spring
- 放泄阀: ablassventil; bdv; bleed valve; blowdown valve; blowoff valve; discharge valve; drain valve; drainage valve; draining valve; drainvalve; dump valve; escape ale; escape valve; leak-off valve; purge valve; release valve; sectioning valve; unloading valve; waste valve; waste-treatment valve
- 阀弹簧: valve ring; valve spring
- 安全放泄阀: safety bleeder valve
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