A pigeon probably has his huff duff in that incrustation above his beak . 鴿子也有它的無線電高頻測向儀,也許就是它喙上部的那個硬包吧。
Jhb incrustation solid lubricate bush Jhb鑲嵌固體潤滑軸承
And the thick incrustations 還有厚厚的殼
The watermeter has the same dimension with the traditional one for easy installation and can be changed directly . the electric valve will be more reliable for it will rotate to a position and rotate back in order to prevent incrustation after every 10m 該表對用戶購水量有限制,當(dāng)剩余水量和已購水量之和大于所設(shè)定的限制值時,水表將不讀取用戶卡中的水量
Pigging in pipe before inspection , pipe pigging under low throughput intermittent operation ; get rid of congealable oil , wax precipitation and incrustation in pipe to reduce backpressure and friction , and lower temperature 管線內(nèi)檢測前清管、低輸量間歇運(yùn)行輸油管線清管;清除管線內(nèi)部的凝油、結(jié)蠟、結(jié)垢,達(dá)到減小輸油回壓、減小磨阻、降低輸油溫度的目的。