-
异种材料焊接时焊接质量较难保证。
It is difficult to ensure quality when welding different materials.
youdao
-
异搏停对急性心肌梗塞起保护作用，以6小时内最为明显。
The protective effect of verapamil was most prominent by 6 hours.
youdao
-
异搏停对急性心肌梗塞起保护作用，以6小时内最为明显。
The protective effect of verapamil was most prominent by 6 hours.
youdao