The butterfly valve butterfly plate installed in pipeline diameter direction.
蝶阀，可以安装在任一个方向上。
A new council was installed under the direction of the king.
一个新委员会在国王的授意下成立。
Two arch ribs are installed in transversal direction to form a"double bow system".
四川绵阳飞云大桥的主桥系三跨系杆拱桥，横向设两根拱肋，构成“双弓体系”。
Ensure that valve is installed in proper flow direction.
确保阀门按照正确的流向安装。
Ensure that valve is installed in proper flow direction.
确保阀门按照正确的流向安装。
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