pitch of net slip 总变位侧伏角
You can pitch a tent and you can make "2 s 'mores" and tell ghost stories and then, when the kids are all snuggled into their sleeping bags, Dad can slip into a bear suit and 3 ransack the campsite.
你们可以支个帐篷,做些露营小点,讲鬼故事,然后,当孩子们都钻进他们的睡袋后,爸爸就穿上狗熊衣,在营地里到处翻。
Propeller slip calculator for powerboats Please use this calculator to figure out all parameters in regard to pitch, gear ratio, RPM, speed and slip.
机动船的螺旋桨滑计算器请使用这个计算器计算出所有参数间距,齿轮比,转速,速度和防滑方面。
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