主页
学科
搜索
账户
常见问题
当前学科：锅炉本体检修
题目：
填空题
投油初期要清理掉油枪管道内的（）、（）和（）等障碍物，以免堵塞油枪，如果油枪（）不够，油焦滞留在油枪内也会造成通道阻塞。
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
货车落车后对转8A型转向架与车体垂直距离有何技术要求？
胃毒剂主要用于防治（）口器的昆虫的。
公共政策标的群体的类型包括()。
普通话的每个音节都有它的声调，可是在句子里有些音节常常失去了原有的声调而念成较轻、较短的调子，叫做轻声。
甲公司为了支付货款．签发了一张以本市的乙银行为付款人、以丙公司为收款人的转账支票。丙公司在出票日之后的第l4天向乙银行提示付款。根据票据法 律制度的规定,下列表述中，错误的有（ ）。
严禁在装有避雷针的构筑物上架设通线、广播线或低压线。
IVP示肾盏破坏，则可排除下列哪项（）
Good Table Manners Manners play an important part in making a favorable impression at the dinner table. Here are some general rules： Napkin （餐巾） use The meal begins when the host unfolds his or her napkin. This is your signal to do the same， so place your napkin on your lap. Unfold it completely if it is a small napkin. Or in half， lengthwise （纵向地） ，if it is a large dinner napkin. If you need to leave the table during the meal， place your napkin on your chair as a signal to your server that you will be returning. Once the meal is over， place your napkin neatly on the table to the right of your dinner plate. Do not refold it. Use a napkin only for your mouth. Never use it for your nose， face or forehead. Use of utensils （餐具） Start with the knife， fork or spoon furthest from your plate， and work your way in， using one utensil for each course. If soup is served， remember to spoon away from yourself. This helps stop the drips. Do not put the entire soup spoon in your mouth. Instead， fill a soup spoon about 75 per cent with soup， and sip（啜饮）it from the side noiselessly. After finishing dinner， place the knife and fork parallel to one another across the plate with the knife blade facing inward toward the plate. Using your fingers Here's a list of finger foods： sandwiches， cookies， small fruits or berries with stems， French fries and potato chips， and hamburgers. Chew（咀嚼）with your mouth closed and don't make noise； don't talk with your mouth full. Bread must be broken with your hands. It is never cut with a knife. Don't pick something Out of your teeth. Instead， excuse yourself to the bathroom. If possible， try not to cough at the table. Do not put your elbows （肘） on the table. In France， it is essential to have both hands above the table at the same time. Do not put bones or anything else on the table. Things that are not eaten should be put on your plate. The napkin is used only for（）.
不属于火邪致病特点的是（）。
“诸四逆厥者，不可下之”针对的是（）