许多企业高管把领导力与行动混为一谈。
熟悉这家合资企业的高管表示，达能对日常经营没有什么影响力。
Executives familiar with the joint venture say Danone has little influence on day-to-day operations.
目的比较预备与不预备的根管以及预备后充填与不充填的根管抗折力。
Objective To compare the resistance to fracture of the root canals after instrumentation or not.
无桩尖管桩锤打过程易造成管桩移位、内伤、断桩、嵌岩差、持力层锚固长度小。
Shift, internal injury, breaking, bad imbedded in rock, as well as short anchorage distance etc.
温差越大，无保温管与有保温管伸长量之差越大，则保温层摩擦力越大；
The more pipe have temperature difference, the more pipe elongation and insulation friction.
温差越大，无保温管与有保温管伸长量之差越大，则保温层摩擦力越大；
The more pipe have temperature difference, the more pipe elongation and insulation friction.
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