The problems of the vacuum and its leak check are studied.
微小间隙抽真空以及真空检漏等应注意的问题进行探讨。
Check for a severe external oil leak that could reduce the pressure.
检查是否有导致减小压力的严重的外部油泄漏。
Check that the valve is installed properly and the feed valve does not leak.
检查阀是否安装正确；进料阀是否泄漏。
High pressure to leak detection, nitrogen into check exhaust pipe is a compressor crack.
冲入高压氮气进行检漏，查得压缩机排气管有一处出现裂缝。
Regularly check the fuel system, make sure do not leak fuel, do not leak air.
经常检查油路系统，确保不漏油，不漏气。
Check pipeline and gear reducer for oil leak everyday.
每天检查一次管路和减速机是否存在漏油现象。
Check modules are threaded into the valve adapter for leak proof operation.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
Check modules are threaded into the valve adapter for leak proof operation.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
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