低噪音高质量设计，减少人员操作不便。
The low noise high grade design, reduces the personnel operates inconveniently.
传统的车辆转向构件反应迟钝、转弯半径大，操作不便。
Vehicles steering in the conventional manner lacked the rapid response, short turning radius, and ease of handling.
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.
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