sand entry meaning in Chinese

砂子侵入

( 2 ) analyzed the effect toward the principle of the equal dynamic function in respect of the design of the air vent of the sand collector , it indicates that the satisfaction toward the equal dynamic function easier to reach if the position of the air vent is on top of the sand collection meter or if the height of the sand entry of the sand collector is reduced instead of the flank of it
( 2 )研究了集沙仪的排气口位置和进沙口的高宽比对其等动力性的影响，结果表明排气口布置在顶面和降低进沙口的高宽比使集沙仪在相等排气口大小时的等动力性能够更接近满足。上述排气口位置和进沙口高宽比对等动力性的影响为首次研究。