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Recommended Opening Procedure: The diaphragm valve handwheel rotates about 1 1 /4 turns from fully open to closed.
推荐的开启程序：从彻底打开到关闭，隔膜阀手轮旋转大约11/4圈。
youdao
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Recommended Opening Procedure: The diaphragm valve handwheel rotates about 1 1 /4 turns from fully open to closed.
推荐的开启程序：从彻底打开到关闭，隔膜阀手轮旋转大约11/4圈。
youdao