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可提供前后各2D或特殊要求長(zhǎng)度的測(cè)量管段，（D為管道內(nèi)徑）
We can provide 2D measurement pipe sections or those of lengths of special requirements for the front and back respectively (D refers to the pipe inside diameter).
用途：適用于前后直管段長(zhǎng)度不能滿足單孔孔板標(biāo)準(zhǔn)要求的高溫或高壓下液體、蒸汽和熱網(wǎng)管道的流量測(cè)量、控制和調(diào)節(jié)。
Use: It is fit for the measurement,control and adjustment of the flow of liquid ,steam and heat network piping under a high temperature or pressure which the lengths of the front and back pipe can not meet the requirments of single hole orifice .
特點(diǎn)：它具有前后直管段長(zhǎng)度要求低、測(cè)量精度高、耐沖擊、使用壽命長(zhǎng)的特點(diǎn)。
Features：a low requirement of lengths for the front and back pipe, a hign measurement precision, impact resistance, a long service life etc.
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