water sampling bottle
常見例句
- A sinkage depth of a water sample bottle can be controlled conveniently by adopting the down-hole depth-determining water sampling apparatus through a composite measuring line having a scale line;
采用上述結(jié)構(gòu)，通過帶有刻度線的復(fù)合測(cè)線，可方 便的控制水樣瓶下沉深度；
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