guarantee of good working order 保证良好操作 in apparent good order and condition 表面状态良好; 外表状况良好表面状况良好 ..
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并通过现场实际操作与检测，取得良好的效果，解决了以往桩径与桩身强度不易保证的问题。
Through actual operation and checking good benefit is acquired and the pile body's intensity is ensured.
并入该程序的一系列质量控制步骤也为个人和实验室的操作质量提供了良好的保证。
The series of quality control steps built into the process also provide an excellent assurance of the quality of individual and laboratory performance.
大枢轴或枢轴板设计，确保球体在高压下具有正确的中心位置，保证阀门良好的操作性能。
A large trunnion or trunnion support design ensures central position of ball under the highest working pressure. This permits ease of operation.
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