这是一个全时的位置在加利福尼亚州洛杉矶。
然而，在检查全轴向跳动时，百分表的位置是沿着垂直于基准轴线A的（直）引导线（见18.7.8.3）。
However, during checking of the total axial run-out. deviation, the positions of the dial indicator are along a guiding (straight) line perpendicular to the datum axis A (see 18.7.8.3).
双作用使用在失电或失气时，阀门处于失电或失气时的位置，以确保继续生产。单作用在失电或失气时，阀门处于原始极限位置(全开或全闭)，以确保生产过程处于安全位置。
Dual role in the loss of power or loss of use of gas when the valve is out of power or loss of gas when the position to ensure continued production.
运输时应避免撞击三、四通溜子，应处于全闭位置以防在运输中分料板和传动部件损坏。
Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
运输时应避免撞击三、四通溜子，应处于全闭位置以防在运输中分料板和传动部件损坏。
Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
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