汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。Steamers tooted at us as sailors on deck waved in amusement.一路上，汽船在好几个港口停靠。The steamer calls at several ports along the way.汽船一离开码头就加快了速度.The motorboat put on speed as soon as it left the pier....
其他影响选坝的因素有道路, 鱼道, 船闸和筏道等.Other factors that may affect dam selection are roadways, fishway, locks, and log passages.鱼道进出口的选择:这是鱼道设计成败的关键.Choice of fishway intake is the key of success or failure....
Chymosin used traditionally in cheese making is an aspartic protease extracted form abomasum of suckling calves.传统干酪加工中使用的凝乳酶是从犊牛皱胃中提取出的一种天冬氨酸蛋白酶.The total N, NAN and microbial N passing the abomasum had increasing trend...
Separate designed hopper and granulating chamber can be dismantled easily for cleaning.分离设计,落料斗,粉碎室过滤网,便于拆洗.This apparent contradiction is due to the dominance of some sows in defending the feed hopper.明显的矛盾是由于有些母猪仍霸占着饲料...