型号有多种，在那些工业环境和直接侵入水或冷却剂的环境下也可使用。
Various models are available, including those for industrial-grade environments and for direct immersion in water or refrigerant.
当你注视着池底，将头侵入水中，在你伸展和开始划水的时候试着去放松手指。
After you've had a good look, head to the pool and try to relax your fingers during your extension and during the initiation of your pull.
位于冀西北张家口-宣化地区的转枝莲辉石闪长岩侵入水泉沟正长岩杂岩体中。
The Zhuanzhilian pyroxene diorite is found in Zhangjiakou-Xuanhua area, northwest of Hebei Province.
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