It's ideal for flow troubleshooting, balancing and checking performance of permanent flow meters.
这非常适用于流动故障排除,平衡和检查永久流量计的性能。
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
运用罚有限元方法,对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
Hiring permanent staff can be costlier and riskier right now because the uncertain economic environment makes it harder to forecast future cash flow.
不确定的经济环境让未来的现金流难以预料,因此现在雇佣固定员工的花费更高,风险也更大。
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