铁路设施。机车车辆用电气设备。第4部分:电工元件。交流断路器规则。
Railway applications - Electric equipment for rolling stock - Part 4: electrotechnical components - Rules for AC circuit-breakers.
铁路设施。机车车辆用电气设备。第3部分:电工元件。直流断路器规则。
Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components; Rules for d. c. circuit - breakers.
农业和林业用拖拉机和自驱动机械。驾驶室环境。第4部分:空气过滤元件试验方法。
Tractors and self-propelled machines for agriculture and forestry - Operator enclosure environment - Part 4: air filter element test method.
固定消防系统。气体灭火系统元件。第10部分:压力计和压力开关的试验方法和要求。
Fixed firefighting systems - Components for gas extinguishing systems - Part 10: requirements and test methods for pressure gauges and pressure switches.
固定消防系统。气体灭火系统用元件。第13部分:止回阀要求和试验方法。
Fixed firefighting systems - Components for gas extinguishing systems - Part 13: requirements and test methods for check valves and non-return valves.
法拉第杯的方法可以用来测量各种物质和物体(诸如,塑料、薄膜、液体、气体和电子元件等)上的电荷。
The Faraday cup method can be used to measure the charge on a wide range of substances and objects, such as plastics, films, liquids, gases, and electronic components.
橡胶和塑料机械。反应铸模机械。第1部分:计量和混合元件的安全要求。
Rubber and plastics machines. reaction moulding machines. part 1: safety requirements for metering and mixing units.
橡胶和塑料机械。反应铸模机械。第1部分:计量和混合元件的安全要求。
Rubber and plastics machines. reaction moulding machines. part 1: safety requirements for metering and mixing units.
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