The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
The TORQSEAL valve has a preferred and non-preferred direction as standard.
TORQSEAL的标准阀门具有优先定向和非优先定向。
The TORQSEAL valve has a preferred and non-preferred direction as standard.
TORQSEAL的标准阀门具有优先定向和非优先定向。
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