容器顶部用以测量罐内液体高度及其它物理量的可密闭的口。
... gauge glass 玻璃液面计;玻璃管液面计;计液玻管... gauge hatch 计量口;计量孔... gauge invariance 规范不变性...
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新型计量口 new type of dip hatch
计量的入口流量 metered inlet flow
计量的出口流量 metered outlet flow
井口计量设备 well gauging facilities
统计人口数量 Statistical population ; Population Statistics ; Numbers of population statistics
主计量孔口 main metering orifice
从井口至计量罐的管线 lead line
计量泵出口安全阀 metering pump outlet relief valve
计量泵出口单向阀 metering pump outlet check valve
介绍一种新的内浮顶油罐计量口，它克服了现行计量口操作不便的缺点。
This article introduces a new type of dip hatch for inner floating roof tank, which can avoid the problem of inconvenient handle in current dip hatch.
功能概述GH - DXD系列包装机，可自动完成计量、制袋、填充、封合、切断、打印生产日期、切易撕口等工序。
Main function GH-DXD series automatic filling and packing machines can automatically measure, make bags, fill, seal, cut, print codes and make easy tearing notches.
该机主要有两套喂料器、两套计量装置、卸料斗、电脑控制、气动控制、输送机、缝（封）口机等部分组成。
The machine is composed of two sets of feeders, two sets of measuring devices, discharge hopper, computer control, pneumatic control, conveyor and sewing (sealing) machine.
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