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旁通阀
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释
by-pass valve
旁通阀
当钻井过程中发生溢流且钻头水眼被堵无法进行压井时,用于循环或压井的装置。
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twilight flat
Twilight Heron
twilight spectrum
twilight zone
twill coating
twill effect weft-knitted fabric
Twill Silk and Gauze with Gold-impressed Patterns of the Yuan Dynasty
twill weave
twin
twin-beam model
twin, bicrystal
twin boundary
twin calorimeter
twin-carbon arc lamp
twin-clock effect
twin-clock problem
twin [crystal]
twin crystal
twin [crystal], bicrystal
twin crystal, bicrystal
twin crystals
twin crystals; bi crystals
twin crystals; bi-crystals
Twin Eagle with Tiger Base from Tanjialing Site
twine cloth
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