评论：当与这些阀门一起工作时，使用良好的钢瓶更换程序是非常重要的。
Comments: When working with these valves it is very important to use good cylinder change out procedures.
它是提供给船舶在两个星期和阀门的选择和浆纱的简单的程序。
It is available to ship in two weeks, and valve selection and sizing are simple procedures.
评论：一个简单的预防性的维护程序和良好的操作程序能够限制这种阀门的缺点。
Comments: a simple preventative maintenance program and good operating procedures can address and limit the disadvantages of this valve.
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